Coyote Urine as a masking scent? Years ago nobody would consider using it, but more and more Coyotes are being found in the East. People are now asking for it! So here it is; Natural Coyote Urine Masking Scent. Predator calling, trappers and bowhunters East to the West are using it. Even gardeners use it to keep garden eating varments out of growing vegetables. When gardening or when hunts take you near Coyote country try BK-575 Coyote Urine. 100% Coyote Urine.