Gap I'm not talking about using a so called "cover scent" ever. I'm talking about using urine as an attractor. Urine is always an attractor. That goes for fox urine, coon urine (Ya right like it's really coon urine in that bottle)deer urine, even human urine. All urine is an attractor.
Some of the best success I've had attracting bucks to a scrape or activating a breeding scrape is to go to a state park near here and scoop a bunch of dirt out of a scrape into a ziploc bag, then bring it back to my hunting area and dump it in scrapes in my area. I've also fired up scrapes with my own urine and fresh fox urine I collected from the foxes myself.
People put way too much confidence in that store-bought stuff that is othing more than a gimmick. Rarely can you find good deer lure in a store. I'm not kidding you, most of the stuff is not even deer really urine and the "glands" and "scents" are synthetic.
I used to raise fox, and I always kept a few other animals around too. I got a great deal of enjoyment out of watching them and learning from them. I collected fox urine for sale, some of which went to companies that were making nothing but deer lures at the time. I used fresh fox urine for myself. I never considered using any type of "cover" scent. If you think you are ever going to completely cover your odor, you are grossly underestimating the power of a deer's nose. That goes for scent free suits, sprays, everything. The wind is your only hope, never, never, never ignore the wind.