Bought two of these one for me one for my wife. Packaged with dimes for easy weighing and storing loose change. When tested in the palm, it appears to pack an effective punch without unduly taxing a pocket or purse. I'm sure they can be useful in a self defense application. The zipper is solid and the stitching seems adequate. However, depending on where the zipper ends, at the top of the working end, it's a bit patchy as to whether it will hold up when hitting something like a hard head without releasing coins, making it unusable for additional slaps in the face Robber. A zipper would have been safer.
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