穿用者也可通过急剧拉扯松紧带来触发报警系统，报警信号会吓走攻击者，也能当作呼救信号。

The wearer can also trigger the alarm voluntarily by sharply pulling the drawstrings to scare off the attackers and as a call for help.

youdao

穿用者也可通过急剧拉扯松紧带来触发报警系统，报警信号会吓走攻击者，也能当作呼救信号。

The wearer can also trigger the alarm voluntarily by sharply pulling the drawstrings to scare off the attackers and as a call for help.

youdao