What's the purpose of brick 46835 (two wheels clutched into each other)
This is a torque-limiting component. When one side is prevented from turning but the other side is forced to turn, the inner piece comes out of its &quot;click location&quot; and into the next one.
It requires quite a large torque before it activates. You will not be able to generate the torque just by turning the two components with your bare hands. To see the effect, you may need to attach axles and large wheels, or lever arms, or use gears, or a motor.