this review title is: does not work and the content is: this is nothing like the remington original headguard but a cheap copy which is hard to put on the shaver and then it just pops off it is defective then to add insult to injury to return this defective part amazon is charging me return shipping do not buy this part.there are other information for this review, one is this reviewer did purchase it and the other is 1 people think this review is helpful.