We've already shown you several ways to streamline your keys with a DIY flair, but reader Oliver writes in with his own inventive method for lightening his pockets by combining his keys with his money clip. I've recently enjoyed having a money clip rather than a wallet for trips out of the house because it doesn't weigh down the pant pockets as much. The next biggest annoyance was definitely the keys. It occurred to me that I could rivet the keys to a plastic store card (one I don't reall