I'm convinced they'd see you moving if you were invisible. This will be my first year bowhunting them, oughta be fun if nothing else. I got skylined one morning in my Sitka with the sun at my back at about 150 yds, continued walking right towards them to about 100 yds. They never moved, obviously I'll have to be closer than 100. I'm not sure if that a combination of several luck factors or a testament to the pattern. I too love ASAT, just want to give myself the best odds, without wilting away in a blind.