knot catcher

例句：

1. 1. She was a skilled knotter, able to tie complex knots with ease.
   她是个熟练的结绳者，能够轻松地打复杂的结。
2. 2. The old man used to be a knotter, but now he mostly just watches TV.
   这位老人以前是个结绳者，但现在他大部分时间都看电视。
3. 3. The knotter had made a special knot for the wedding ceremony.
   那个结绳者为婚礼仪式制作了一个特别的结。