- Catch All Hair Trap is designed with a removable end-cap that unscrews by hand. Inside of trap is a strainer that collects hair and debris. To clean, simply unscrew and shake out strainer, then replace. This trap is used in place of a typical P-trap and in most cases it can replace your existing hair trap. Can be used with bathing tubs, wet/prep cabinets, sinks, and more.