Buck Expert Synthetic Moose Urine, Mare-In-Heat, 500 Ml / 16 OzOur synthetic urine scent has an irresistible effect on moose. A reproduction scent of hormones, secretions, pheromones and musk similar to cow in heat or bull in rut. An innovative product technology without danger of contamination or problems for the game. So effective, even their sense of smell cant distinguish it from real urine. Infinite shelf life! Legal in states or providences that ban pure urine.