Wildlife Research Elk Thunder Synthetic Scent - 1oz - Elk Thunder is formulated to stimulate and attract rutting bull elk. It is Super Charged with Scent Reflex technology for a stronger more consistent response. Most effective during pre-rut and rut. Formulated to Stimulate and Attract Rutting Bull Elk Super Charged with break-through Scent Reflex Technology, for stronger more consistent responses! A real odds booster – to improve your luck Most Effective during Pre-Rut and Rut