nah no traps,,, i just divide the cage in two and what evers put out just to land back on a shelf i put up running from the fence onto edge of cage then when there in i just close over and open the divider let them through the hole run again,,,, what's the best way to make a trap wouldn't mind making one for the pen that's exactly what the rollers do haven't a care in the world for me being there,,, must be doing them right may divide breeding pair from rest and get them the same