When both Create: Crystal Clear and Create: Extended Cogwheels are installed, clear casings put on top of cogs don't connect, no matter what type or color of cogwheel is used (images below; connected casings on top to show that the mod works as intended without cogwheels).
Tested in Fabric and Forge, mod versions being:
Fabric:
Create: 0.5.1-j-build.1631+mc1.20.1
Crystal Clear: 2.1-Beta-fabric (latest)
Extended Cogwheels: 2.1.1-1.20.1-0.5.1.f-fabric (latest)
Forge:
Create: 1.20.1-0.5.1.j
Crystal Clear: 2.1-Beta (latest)
Extended Cogwheels: 2.1.1-1.20.1-0.5.1.f-forge (latest)

