Very impressive. I've made one out of wood in the 1980's. I couldn't afford the Treco Power Stretch that Bill Wallace advertised for, so I built one out of wood with a boat wench. HEAVY and VERY BASIC, yes, but it worked and that's all I needed. Today I'm making a new lighter version out of wood, that's why I'm searching for other creators designs. I pull the legs back rather than push them. After watching this video I really want to learn to weld. I'm very skilled in soldering so I'm hoping welding is easy for me to pick up on. I have no idea why welding is so intimidating to me. Never been around it. I liked, subscribed and hit the notification bell. I will check out your other videos. Very nice of you to share your knowledge and designs. THANK YOU!