Rank #10
Use a paper clip as a money clip.
This tutorial will show you how to use a paper clip as a money clip. It's a great way to keep your cash organized and secure. You'll need a paper clip, a pair of scissors, and a ruler. First, use the ruler to measure the length of the paper clip
From Wikipedia
A money clip is a device typically used to store cash and credit cards in a very compact fashion as an alternative to a conventional wallet.