The only thing that matters is having a lucky bar of soap[8D]
I'll never figure deer out. I've had them hit my track and come unglued and I have had them circle around and go right down my track while I was tracking them
. I also know if I go out in deep snow and plow a nice trail the deer will start using it right away.
I think rubber does a better job of holding back HUMAN scent. I've been told older rubber boots don't work as good. I use rubber boots.