孩子在活动时,经常会不自觉地解开衣服,于是,拉链咬住脖子、拉链扣脱落的事情时有发生,有的幼儿还将脱落下来的拉链扣含在嘴里,十分危险。我们观察到,有的家长为了不让拉链脱落,会在拉链最上方别一枚扣针,但扣针对孩子来说有一定的危险性。为此,我们将扣针换成了扣子,在拉链底 Children in the activities, often unconsciously untied clothes, so the zipper bites the neck, zipper buckle off things have occurred, and some children will fall off the zipper in your mouth, very dangerous. We observed that in order to prevent the zipper from falling off, some parents would not give a pin at the top of the zipper but the pinch had a certain risk to the child. To this end, we will replace the button button, at the bottom of the zipper