Whatever you decide, what that your wind does not drift onto his trail to or from the scrape AND be positive your scent does not drift to his bedding area.
There is a perfect example above. If you draw a map of his example, you will see what happened wind wise to make that come together.
Stealth, wind and luck to get a mature buck down!
ThatS all it takes.
If you use he decoy, be sure it faces away from your general direction if you are bow hunting. They like to come in to a doe from behind (they always approach bucks from the front)