Whether it's a toddler falling hard on a sidewalk or a more serious lawn care injury, knowledge of basic first aid is necessary in the summertime. It sounds so simple, but in the heat of a minor emergency, the coolest heads are those that are prepared and know exactly what to do. Cleaning a cut is pretty basic and doesn't require anything but good, careful hygiene. If you need a refresher, here's a list of simple steps outlining how to clean a cut.