Wheel winch. By Don Barrack. 0:36 video:
https://www.youtube.com/watch?v=MaCUnk-kR9A
Previously:
https://www.homemadetools.net/forum/...258#post176903
https://www.homemadetools.net/forum/...986#post168119
https://www.homemadetools.net/forum/...871#post167708
https://www.homemadetools.net/forum/...995#post153125
https://www.homemadetools.net/forum/...771#post152211
https://www.homemadetools.net/forum/...490#post135773