this review title is: you will risk ruining your blouse like i did and the content is: not for knits i used this to pin a knit blouse and the pin somehow created a rip before i even left the house seriously this pin was in less than minutes this should not be used on anything that is knit and i would really hesitate using this on delicate fabricyou will risk ruining your blouse like i did.there are other information for this review, one is this reviewer did purchase it and the other is 3 people think this review is helpful.