this review title is: glass file tip will not stay in place and the content is: this electronic glass nail file seems very durable like it will last it charges quickly although the glass pieces keep falling off when i use it that is the only bad design flaw i have to hold the glass filing piece on with my index finger while using it or it will fall off there needs to be a better securement part.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.