在该工具内面的特殊的经硬化处理的金属割刀与落鱼的外表面接合。

Special hardened metal-cutters on the inside of the tool engage on the external surfaces of the fish.

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操作机器或设备，或使用手工具切割，塑型，拼接，配合和接合橡胶材料，形成橡胶件或成品橡胶制品。

Operate machines or equipment or use hand tools to cut, shape, splice, fit and cement rubber materials to form rubber parts or finished rubber products.

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外割刀一般用来去除落鱼的最上面的可能被损坏的部分，以便使打捞筒或类似的打捞工具与未损坏的表面接合。

External cutters are generally used to remove the topmost, possibly damaged, portion of a fish to enable an overshot, or similar fishing tools, to engage on an undamaged surface.

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