Take a piece of table shrimp and put it inside a piece of panty hose and tie off both ends. Put it in the tank when the lights go out. The bristle worms will try to eat the shrimp and their bristles get stuck in the panty hose. In the morning remover the panty hose with the worms stuck to it. It works very well
Sounds like I'm going to be getting some strange looks thrown my way while I'm in line buying panty hose hah