Ladies and gentlemen, has there been situation sometimes, where there is no condom around, but you need one? Here is the underground snip'n'zip trick, what will show you how to do condom by yourself. You only need one (1) finger, one (4) piece of bikes inner tube and one (352) white cable tie. Why white you may ask? It looks more exciting that way, ladies out there will confirm that.
Also useful if you want to practice how to use condom, but you don't want to buy one.