I really don't like thick wallets so I finally tried one of these. I don't usually carry cash, but I have one with a money clip so I can tuck it into my waistband when I'm wearing running shorts with no pockets. All very well after a few months. I keep my ID and some cards to make it as thin as possible. I only wish the outer walls themselves were thinner: each side is about three credit cards thick, so the thing itself is twice as thick as what I carry around.
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