When used correctly, mock scrapes can be very effective. I've been doing it for years and I've watched many bucks, both big and small, change their patterns to come and "check" my mock scrapes. My choice of scent depends on where the deer are at in the rut. I have noticed that Tinks #69 seems to be the best all-around scent, for me at least. I also use a few different Wildlife Research Center products.