To the restaurant waiters, to the taxist and to the take-away delivery man always consider giving paper wallets as a tip.
+1
Make some nice ones, like:
https://bitcoinpaperwallet.com/and if possible, get some nice plastic inserts for them. I bought a hundred of the identity card inserts really cheap off of ebay. They were a bit to small, so I print the wallets out at 89% regular size. I also have to fold them a bit differently, but when done, they look really nice.
