diff --git a/REDRangeSlider/REDRangeSlider/REDRangeSlider.h b/REDRangeSlider/REDRangeSlider/REDRangeSlider.h
index 9071441..6c3fd6e 100644
--- a/REDRangeSlider/REDRangeSlider/REDRangeSlider.h
+++ b/REDRangeSlider/REDRangeSlider/REDRangeSlider.h
@@ -15,6 +15,8 @@
 @property (assign, nonatomic) CGFloat maxValue;
 @property (assign, nonatomic) CGFloat leftValue;
 @property (assign, nonatomic) CGFloat rightValue;
+@property (assign, nonatomic) CGFloat rawLeftValue;
+@property (assign, nonatomic) CGFloat rawRightValue;
 
 @property (strong, nonatomic) UIImage *handleImage;
 @property (strong, nonatomic) UIImage *leftHandleImage;
diff --git a/REDRangeSlider/REDRangeSlider/REDRangeSlider.m b/REDRangeSlider/REDRangeSlider/REDRangeSlider.m
index 4f713cf..ff27970 100644
--- a/REDRangeSlider/REDRangeSlider/REDRangeSlider.m
+++ b/REDRangeSlider/REDRangeSlider/REDRangeSlider.m
@@ -210,7 +210,9 @@ - (UIImage *)rightHandleHighlightedImage {
 
 - (UIImage *)trackBackgroundImage {
     if(!_trackBackgroundImage) {
-        UIImage *image = [[UIImage imageNamed:@"slider-track-background"] resizableImageWithCapInsets:UIEdgeInsetsMake(4, 5, 4, 5)];
+        UIImage *image = ([UIImage instancesRespondToSelector:@selector(resizableImageWithCapInsets:)])
+        ? [[UIImage imageNamed:@"slider-track-background"] resizableImageWithCapInsets:UIEdgeInsetsMake(4, 5, 4, 5)]    // iOS5+
+        : [[UIImage imageNamed:@"slider-track-background"] stretchableImageWithLeftCapWidth:5 topCapHeight:4];  // Same result, pre-iOS5 (deprecated from iOS5)
         _trackBackgroundImage = image;
     }
     return _trackBackgroundImage;
@@ -218,7 +220,9 @@ - (UIImage *)trackBackgroundImage {
 
 - (UIImage *)trackFillImage {
     if(!_trackFillImage) {
-        UIImage *image = [[UIImage imageNamed:@"slider-track-fill"] resizableImageWithCapInsets:UIEdgeInsetsMake(4, 5, 4, 5)];
+        UIImage *image = ([UIImage instancesRespondToSelector:@selector(resizableImageWithCapInsets:)])
+        ? [[UIImage imageNamed:@"slider-track-fill"] resizableImageWithCapInsets:UIEdgeInsetsMake(4, 5, 4, 5)]    // iOS5+
+        : [[UIImage imageNamed:@"slider-track-fill"] stretchableImageWithLeftCapWidth:5 topCapHeight:4];  // Same result, pre-iOS5 (deprecated from iOS5)
         _trackFillImage = image;
     }
     return _trackFillImage;
@@ -254,6 +258,7 @@ - (void)leftHandlePanEngadged:(UIGestureRecognizer *)gesture {
     
     if (panGesture.state == UIGestureRecognizerStateBegan) {
             self.leftHandle.highlighted = YES;
+            self.rawLeftValue = self.leftValue;
     }
     else if (panGesture.state == UIGestureRecognizerStateChanged) {
         
@@ -262,8 +267,9 @@ - (void)leftHandlePanEngadged:(UIGestureRecognizer *)gesture {
         
         CGFloat trackOneHundredPercent = self.trackWidth-self.handleImage.size.width;
         CGFloat trackPercentageChange = (pointInView.x / trackOneHundredPercent)*100;
-                        
-        self.leftValue += (trackPercentageChange/100.0) * oneHundredPercentOfValues;
+        
+        self.rawLeftValue += (trackPercentageChange/100.0) * oneHundredPercentOfValues;
+        self.leftValue = self.rawLeftValue;
         
         [panGesture setTranslation:CGPointZero inView:self];
         [self sendActionsForControlEvents:UIControlEventValueChanged];
@@ -283,6 +289,7 @@ - (void)rightHandlePanEngadged:(UIGestureRecognizer *)gesture {
 
     if (panGesture.state == UIGestureRecognizerStateBegan) {
         self.rightHandle.highlighted = YES;
+        self.rawRightValue = self.rightValue;
     }
     if (panGesture.state == UIGestureRecognizerStateChanged) {
         
@@ -292,7 +299,8 @@ - (void)rightHandlePanEngadged:(UIGestureRecognizer *)gesture {
         CGFloat trackOneHundredPercent = self.trackWidth-self.handleImage.size.width;
         CGFloat trackPercentageChange = (pointInView.x / trackOneHundredPercent)*100;
         
-        self.rightValue += (trackPercentageChange/100.0) * oneHundredPercentOfValues;
+        self.rawRightValue += (trackPercentageChange/100.0) * oneHundredPercentOfValues;
+        self.rightValue = self.rawRightValue;
         
         [panGesture setTranslation:CGPointZero inView:self];
         [self sendActionsForControlEvents:UIControlEventValueChanged];
diff --git a/REDRangeSlider/REDViewController.h b/REDRangeSlider/REDViewController.h
index b0ff0a7..15ee580 100644
--- a/REDRangeSlider/REDViewController.h
+++ b/REDRangeSlider/REDViewController.h
@@ -13,5 +13,8 @@
 
 @property (weak, nonatomic) IBOutlet UILabel *leftValueLabel;
 @property (weak, nonatomic) IBOutlet UILabel *rightValueLabel;
+@property (weak, nonatomic) IBOutlet UISegmentedControl *restrictionSegmentedControl;
+
+- (IBAction)segmentedControlChanged:(id)sender;
 
 @end
diff --git a/REDRangeSlider/REDViewController.m b/REDRangeSlider/REDViewController.m
index 2b16256..b51f0ea 100644
--- a/REDRangeSlider/REDViewController.m
+++ b/REDRangeSlider/REDViewController.m
@@ -29,6 +29,8 @@ - (void)viewDidLoad {
     self.rangeSlider = [[REDRangeSlider alloc] initWithFrame:CGRectMake(0, 0, 200, 20)];
     self.rangeSlider.center = self.view.center;
     [self.rangeSlider addTarget:self action:@selector(rangeSliderValueChanged:) forControlEvents:UIControlEventValueChanged];
+    self.rangeSlider.minValue = 0.0;
+    self.rangeSlider.maxValue = 20.0;
     
     [self.view addSubview:self.rangeSlider];
     [self updateSliderLabels];
@@ -43,9 +45,24 @@ - (void)didReceiveMemoryWarning {
 
 - (void)rangeSliderValueChanged:(id)sender {
     
+    switch (self.restrictionSegmentedControl.selectedSegmentIndex) {
+        case 1:
+            self.rangeSlider.leftValue = roundf(self.rangeSlider.leftValue);
+            self.rangeSlider.rightValue = roundf(self.rangeSlider.rightValue);
+            break;
+        case 2:
+            self.rangeSlider.rightValue = self.rangeSlider.maxValue - self.rangeSlider.minValue - self.rangeSlider.leftValue;
+            break;
+    }
+    
     [self updateSliderLabels];
 }
 
+- (void)segmentedControlChanged:(id)sender {
+    [self rangeSliderValueChanged:sender];
+}
+
+
 #pragma mark -
 
 - (void)updateSliderLabels {
diff --git a/REDRangeSlider/en.lproj/REDViewController.xib b/REDRangeSlider/en.lproj/REDViewController.xib
index cb9853f..9c22d36 100644
--- a/REDRangeSlider/en.lproj/REDViewController.xib
+++ b/REDRangeSlider/en.lproj/REDViewController.xib
@@ -14,6 +14,7 @@
 			<string>IBNSLayoutConstraint</string>
 			<string>IBProxyObject</string>
 			<string>IBUILabel</string>
+			<string>IBUISegmentedControl</string>
 			<string>IBUIView</string>
 		</array>
 		<array key="IBDocument.PluginDependencies">
@@ -74,7 +75,7 @@
 						<string key="NSFrame">{{228, 20}, {72, 21}}</string>
 						<reference key="NSSuperview" ref="774585933"/>
 						<reference key="NSWindow"/>
-						<reference key="NSNextKeyView"/>
+						<reference key="NSNextKeyView" ref="326646486"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
 						<bool key="IBUIClipsSubviews">YES</bool>
@@ -89,6 +90,44 @@
 						<reference key="IBUIFont" ref="67625427"/>
 						<bool key="IBUIAdjustsFontSizeToFit">NO</bool>
 					</object>
+					<object class="IBUISegmentedControl" id="326646486">
+						<reference key="NSNextResponder" ref="774585933"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{10, 360}, {300, 30}}</string>
+						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<int key="IBSegmentControlStyle">2</int>
+						<int key="IBNumberOfSegments">3</int>
+						<int key="IBSelectedSegmentIndex">0</int>
+						<array key="IBSegmentTitles">
+							<string>Unrestricted</string>
+							<string>Integers</string>
+							<string>Mirrored right</string>
+						</array>
+						<array class="NSMutableArray" key="IBSegmentWidths">
+							<real value="0.0"/>
+							<real value="0.0"/>
+							<real value="0.0"/>
+						</array>
+						<array class="NSMutableArray" key="IBSegmentEnabledStates">
+							<boolean value="YES"/>
+							<boolean value="YES"/>
+							<boolean value="YES"/>
+						</array>
+						<array class="NSMutableArray" key="IBSegmentContentOffsets">
+							<string>{0, 0}</string>
+							<string>{0, 0}</string>
+							<string>{0, 0}</string>
+						</array>
+						<array class="NSMutableArray" key="IBSegmentImages">
+							<object class="NSNull" id="4"/>
+							<reference ref="4"/>
+							<reference ref="4"/>
+						</array>
+					</object>
 				</array>
 				<string key="NSFrame">{{0, 20}, {320, 548}}</string>
 				<reference key="NSSuperview"/>
@@ -149,6 +188,23 @@
 					</object>
 					<int key="connectionID">24</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">restrictionSegmentedControl</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="326646486"/>
+					</object>
+					<int key="connectionID">40</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">segmentedControlChanged:</string>
+						<reference key="source" ref="326646486"/>
+						<reference key="destination" ref="372490531"/>
+						<int key="IBEventType">13</int>
+					</object>
+					<int key="connectionID">54</int>
+				</object>
 			</array>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<array key="orderedObjects">
@@ -173,6 +229,38 @@
 						<int key="objectID">6</int>
 						<reference key="object" ref="774585933"/>
 						<array class="NSMutableArray" key="children">
+							<object class="IBNSLayoutConstraint" id="704100694">
+								<reference key="firstItem" ref="326646486"/>
+								<int key="firstAttribute">9</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="774585933"/>
+								<int key="secondAttribute">9</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">0.0</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">5</int>
+								<float key="scoringTypeFloat">22</float>
+								<int key="contentType">2</int>
+							</object>
+							<object class="IBNSLayoutConstraint" id="904163028">
+								<reference key="firstItem" ref="774585933"/>
+								<int key="firstAttribute">4</int>
+								<int key="relation">0</int>
+								<reference key="secondItem" ref="326646486"/>
+								<int key="secondAttribute">4</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">159</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="774585933"/>
+								<int key="scoringType">3</int>
+								<float key="scoringTypeFloat">9</float>
+								<int key="contentType">3</int>
+							</object>
 							<object class="IBNSLayoutConstraint" id="251388100">
 								<reference key="firstItem" ref="774585933"/>
 								<int key="firstAttribute">6</int>
@@ -255,6 +343,7 @@
 							</object>
 							<reference ref="196987144"/>
 							<reference ref="672011645"/>
+							<reference ref="326646486"/>
 						</array>
 						<reference key="parent" ref="0"/>
 					</object>
@@ -362,6 +451,44 @@
 						<reference key="object" ref="1037484397"/>
 						<reference key="parent" ref="196987144"/>
 					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">36</int>
+						<reference key="object" ref="326646486"/>
+						<array class="NSMutableArray" key="children">
+							<object class="IBNSLayoutConstraint" id="765535082">
+								<reference key="firstItem" ref="326646486"/>
+								<int key="firstAttribute">7</int>
+								<int key="relation">0</int>
+								<nil key="secondItem"/>
+								<int key="secondAttribute">0</int>
+								<float key="multiplier">1</float>
+								<object class="IBLayoutConstant" key="constant">
+									<double key="value">300</double>
+								</object>
+								<float key="priority">1000</float>
+								<reference key="containingView" ref="326646486"/>
+								<int key="scoringType">3</int>
+								<float key="scoringTypeFloat">9</float>
+								<int key="contentType">1</int>
+							</object>
+						</array>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">50</int>
+						<reference key="object" ref="904163028"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">52</int>
+						<reference key="object" ref="765535082"/>
+						<reference key="parent" ref="326646486"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">53</int>
+						<reference key="object" ref="704100694"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
 				</array>
 			</object>
 			<dictionary class="NSMutableDictionary" key="flattenedProperties">
@@ -382,6 +509,15 @@
 				<string key="22.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="25.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="26.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="36.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<array key="36.IBViewMetadataConstraints">
+					<reference ref="765535082"/>
+				</array>
+				<boolean value="NO" key="36.IBViewMetadataTranslatesAutoresizingMaskIntoConstraints"/>
+				<integer value="1" key="36.IUISegmentedControlInspectorSelectedSegmentMetadataKey"/>
+				<string key="50.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="52.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="53.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<string key="6.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<array class="NSMutableArray" key="6.IBViewMetadataConstraints">
 					<reference ref="759509756"/>
@@ -389,6 +525,8 @@
 					<reference ref="511148964"/>
 					<reference ref="846149576"/>
 					<reference ref="251388100"/>
+					<reference ref="904163028"/>
+					<reference ref="704100694"/>
 				</array>
 				<string key="8.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 				<array class="NSMutableArray" key="8.IBViewMetadataConstraints">
@@ -401,7 +539,7 @@
 			<nil key="activeLocalization"/>
 			<dictionary class="NSMutableDictionary" key="localizations"/>
 			<nil key="sourceID"/>
-			<int key="maxID">35</int>
+			<int key="maxID">54</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -416,8 +554,20 @@
 				<object class="IBPartialClassDescription">
 					<string key="className">REDViewController</string>
 					<string key="superclassName">UIViewController</string>
+					<object class="NSMutableDictionary" key="actions">
+						<string key="NS.key.0">segmentedControlChanged:</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="NSMutableDictionary" key="actionInfosByName">
+						<string key="NS.key.0">segmentedControlChanged:</string>
+						<object class="IBActionInfo" key="NS.object.0">
+							<string key="name">segmentedControlChanged:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</object>
 					<dictionary class="NSMutableDictionary" key="outlets">
 						<string key="leftValueLabel">UILabel</string>
+						<string key="restrictionSegmentedControl">UISegmentedControl</string>
 						<string key="rightValueLabel">UILabel</string>
 					</dictionary>
 					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
@@ -425,6 +575,10 @@
 							<string key="name">leftValueLabel</string>
 							<string key="candidateClassName">UILabel</string>
 						</object>
+						<object class="IBToOneOutletInfo" key="restrictionSegmentedControl">
+							<string key="name">restrictionSegmentedControl</string>
+							<string key="candidateClassName">UISegmentedControl</string>
+						</object>
 						<object class="IBToOneOutletInfo" key="rightValueLabel">
 							<string key="name">rightValueLabel</string>
 							<string key="candidateClassName">UILabel</string>