joining with pegshoulder

例句：

1. 1. The player's pegshoulder is causing him discomfort.
   球员的肩部支撑物让他感到不适。
2. 2.She wore a pegshoulder to hide her bruised arm.
   她戴了一个肩托来掩饰她的瘀伤手臂。
3. 3. The coach adjusted the pegshoulder on his helmet to improve performance.
   教练调整了头盔上的肩托以改善表现。