The U-heel (heel cup) is anatomically shaped around the heel and ankle to provide support and stability.
u型鞋跟(鞋跟杯)符合人体解剖学形状，紧包着脚跟和脚踝，以提供支撑性和稳定性。
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Through the structural mechanics analysis of U-shaped steel support widely used in soft-rock supporting, the author has found out the failure causes from the support structure itself.
This control offers a U-shaped handle with a foam wrist support and side hand guard, adding more wrist support than standard right Angle controls for driving comfort.