Season Long Estrus Blend for Flexible Scent SetupsBuck Bomb 180 Day Estrus is an all natural estrus blend formula designed to stay effective through the full hunting season from pre rut through post rut. Use it in mock scrapes with the Buck Bomb Detonator retractable scent wick sold separately or with the two included spike wicks. All natural estrus blend Effective through the full season Useful from pre rut to post rut Works in mock scrapes Includes two spike wicks