"Dominant bucks don't like other bucks coming into their area. Big bruisers will come in to defend their territory when they get a whiff of Synthetic Forehead Gland Scent from Buck Bomb! Perfect for use in mock scrapes or existing scrapes to make local bucks think there's an intruder in the area. This synthetic formula can be used in areas where natural urines are not allowed, including Canada. The easy-to-use dropper bottle contains four ounces of liquid scent that is perfect for use with the Buck Bomb Detonator retractable scent wick (sold separately). Truly deadly when used in combination with All-Season Scent from Buck Bomb."