I carry at less one hen decoy in my vest all season. I don't use it on every huntbut there are times that I will use her. I've taken plenty of birds with and without using adecoy. I believe the answerto why those that use oneis, it just another trick in the bag to take a turkey

Why do turkey hunter carry two box calls, more than onemouth call or a few different friction calls & strikers? They carry multiple calls in order to increase there odds of harvesting a turkey. I feel the decoy is just that, helping to increse their odds. That’s just my personal take on the subject of decoys. I hope nobodytake that the wrong way