But beware, the needle is really very large and sharp. Never by the visible / real substance! I have previously tried on a body and the needle crosses some broken threads and not only makes a big hole.
The price for the product and the descriptions here, but I was the clear and so a Slice in the neck, almost every piece of clothing.
Tip: Pairwise garments such as shoes or dress shirt with one stuck in my view, a 2nd marking thread each.