Buck Bombs XTRUS Certified Doe N Estrous Deer Attractant has the key ingredient to turn trophy bucks in your direction with a single whiff doe-in-heat urine. Xtrus contains doe urine with maximum estrogen levels, collected during the peak heat period. The easy-to-use dropper bottle works well with scent wicks, mock scrapes or enhancing natural scrapes. For best results use this buck lure during peak rut. Xtrus Certified Doe N Estrous Deer Attractant will curl a bucks lip with one whiff. Includes four scent wicks. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Attractants.