1) No springs, no hurt fingers, ready to use, no bait needed, no poisons, discard rat or mouse with glue board2) Remove the release paper from the board, put on the floor or against wall in areas where rats appear; we can add bait for the increased effectiveness. If no rat be caught in 2 - 3 days, then move trap to a new location. Several traps should be used for best resultCaution:1) Keep out of reach of children and domestic animals2) Don't use in wet areas3) Glue can be removed from hands and fabrics with alcohol, paint thinner