taking my top off...one or two straps?

The Blazer I had many years ago had a fiberglass top, loved it. I used a boat winch and two pulley system, one pulley above the truck topper and the other above the winch which was mounted to the wall. Above the truck topper I made a “H” frame and from there had four ropes that dangle down to the topper. Made four “J” channels as hooks to gently lift off the top. One man job........