甲鱼拉动诱饵使钩尖瞬间内收，抓住甲鱼。
The turtle pulls the bait, and the hook point is instantly collected inward, thus the turtle is catched.
四钩柄扁平，必需保证在弹簧伸缩时始终保证钩尖朝上。
The four hook handles are flat, and the four hook handles are required to maintain the hook points to be upward when the spring stretches.
爱斯基摩人用尖鱼刺作箭的倒钩。
倒钩：武器或工具，如箭或鱼钩的尖头上按相反方向弯回去的尖钩。
Barb: a sharp point projecting in reverse direction to the main point of a weapon or tool as on an arrow or fishhook.
倒钩：武器或工具，如箭或鱼钩的尖头上按相反方向弯回去的尖钩。
Barb: a sharp point projecting in reverse direction to the main point of a weapon or tool as on an arrow or fishhook.
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