WR TRAPPER JOHN'S ULTIMATE BUCK LURE This complex lure combines old forgotten secrets from the trappers of long ago, highly attractive oils, and Super-Premium Doe Urine with Estrus Secretions. Pique many of a buck's interests all at once. High Performance All Season & Rut. This secret trapper recipe is part of our Micro Brew™ Craft Scents Line, a tribute to our founders and family story. Each one has a unique blend of Super Premium ingredients to help enhance and bring your hunt to A Whole New Level™.