First, the ring makes it easy to tie on an extra line from another boat, if the harpooned whale dives so deep as to threaten to carry off the whole line originally fastened to the harpoon.

• 第一，如果一条刺上鱼叉的鲸鱼潜水潜得深了，怕整条原先绑在鱼叉上的绳子会被拖走时，这个环能使它易于接上其他船只上的额外绳子。