Psst! Code Blue has a powerful weapon you'll want to add to your deer-hunting arsenal this season. PST!® Pure-S-trous is a 100% natural urine spray that draws in monster bucks with the smell of a doe in heat. Offering 2 application modes for topical or widespread coverage, PST! estrous aerosol spray also features Code Blue's proprietary From One Deer to One Bottle® process. Smelling more than one deer can spook a buck; with estrous urine collected from a single doe, you'll get unmatched true-to-life effectiveness that rutting bucks can't resist.