There are a few things you have to get this trick to its full potential
1. Polish
regularly, not just for looks but so you don't expose the gimmick.
2. Never take the matchbox
out of site or people will think you slip brass in then.
3. Don't where sleeves or at lest role
them up
4. If you can borrow the matchbox and toothpick or needle
5. Let everything be
completely examined
If you follow these steps you will have a miracle that fits in you
pocket and that will freak people out