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 30 minutes. This should not be used on anything that is knit and I'd really hesitate using this on delicate fabric.You 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.