Description Goodnature Rat & Mouse Lure is long-life, toxin-free and tastes & smells of chocolate. Itâs so attractive to rats that 24 out of 24 choose it as their last meal. Because all our lures are toxin-free, theyâre safe for you, your pets and wildlife. It has been scientifically formulated for long lasting attraction in all environments. The lure can be used to pre-feed the area around your trap, to encourage rodents toward the trap.