This is a cute, little idea but is it very practical? I mean really is it that much harder to carry a box of matches around, not really, it is just cuter in a little box. I found my own little box and strike anywhere matches, I put the sandpaper on top and these matches proved to not be strike anywhere. I could not get them to strike on the sandpaper. This pin seemed to fail in every way for me. The only benefit I can see is that the little plastic box would keep the matches dry but not any better than a plastic bag. Taking the time to make a special box for something that did not seem to work just isn't worth the time. If you are worried about them getting wet stick the box in a plastic bag or since they are strike anywhere throw them in a plastic tupperware. After all if they are strike anywhere you really do not need the sandpaper.
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