seeing blinds
don't kid yourself, turkey do see the blind and sometimes it bothers the heck out of them and they won't come near it. i have found that nearly all blinds seem to come in the wrong color and over a number of hunts, days, brushing is necessary, true, i have had turkey actually trip over the tie down ropes but them i have seen others make a large detour around the blind cause they noticed that it wasn't there yesterday, having all the windows open is a mistake, turkey can see through it then see you move, surely turkey can see at least some color, certainly red, blue and white, if you don't think turkey see the blind then don't shoot the next batch that comes in and watch how nervous they get being around it as compared to how they acted while coming into it.
cheers