Lone wolfs are great, I have two. A hand climber and a hang on. But you should check out
www.chippewawedgeloc.com/ I have hunted from these and they are as good if not better. Only thing they don't do is han offset right to left. But they do rig to the tree in like 10 seconds, no more fumbling for the strap around the tree while your hanging onto the stand.