thimble

Is this your thimble?

这是你的顶针吗？

The Lord again dipped into the river. He held out a golden thimble studded with rubies.

上帝又把手伸进河里，捞出一个镶嵌着红宝石的金顶针。

Etymology can only ask why a small cuplike guard used in sewing is called a thimble, though it is put on the third finger.

词源学只能问，为什么缝纫时使用的一个小杯状装置被称为顶针，但它却是在中指上使用的。