latchstring

详细解释:n. 栓锁带

英语解释：

名词 latchstring:

opener consisting of a string that can be passed through a hole in a door for raising the latch from outside

详细解释：

latch.string

n.（名词）
A cord attached to a latch and often passed through a hole in the door to allow lifting of the latch from the outside.
栓锁带：活栓锁上的带子，通常由一个小洞通到门里以便从外边拉开活栓锁