stirrup hook

例句：

1. 1. The horse's stirrup hook was caught in the fence.
   马的马蹄铁钩被栅栏夹住了。
2. 2.The old man used to ride his horsewith a stirrup hook.
   这位老人过去常骑着有马蹄铁钩的马。
3. 3.The farmer had to remove the stirruphook from the horse's mouth.
   农民不得不把马蹄铁钩从马嘴里取出来。