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Sandman1221 said..
What I want to help you with is reducing the effort to uphaul the sail, the faster you can get the sail uphauled the quicker you get going before board sinks. I made a strap from 1" wide nylon webbing with a loop at each end (one big enough to get hand in with webbing flat across palm), then one end loops around uphaul line on top of a knot about 3/4s the way up the uphaul line (lay uphaul line across webbing loop and then pass other end of webbing between loop and uphaul to lock it in place above a knot, so it will not slip down in next step), then tie a thin bungie cord to other end of webbing through the loop and tie around foot of sail (that keeps webbing strap out of the way). Then when you need to uphaul grab the webbing strap by the loop at the foot of the sail and use it to pull the sail up hand-over-hand "while in a nearly upright stance" (versus bent over) until it is easy to grab the uphaul line and pull sail all the way up. Really helps reduce effort, prevents lower back strain, and is essentially a Chinook Easy Uphaul because you can also place webbing loop on harness hook. But for a 7.0 can just use webbing strap as an aid to get to uphaul line without leaning/bending way over like you do in the video (very inefficient posture). Now for a 9.0 sail it helps to put webbing loop into harness hook, and then you can just lean back and use body weight to pull sail up, but that is slower. Like your Bolt!, and being close to Tampa have to say Go Bolts too! (local ice hockey team)
Actually, the thin bungie line ties to bottom webbing strap loop, runs through downhaul bungie loop at foot of mast which traps webbing strap via thin bungie line knot tied to webbing strap loop, and then back up to boom head clamp. That gives enough stretch so when you pull on webbing strap there is little stretch resistance from the bungie line (2 mm bungie). Again, the webbing strap allows you to stand almost vertical giving you good leverage over sail, as you pull up webbing strap hand-over-hand, until you get to uphaul line. And of course, when you get to uphaul line you are again standing almost vertically, so have good leverage over sail. Bending over like you are in the video, almost doubled up, you have very little leverage over sail.
Of course, initially you do have to bend over to grab the webbing strap loop, but you can then immediately stand almost vertically as you pull on the webbing strap and stretch out the thin bungie line. So you are not trying to uphaul sail bent over, only bend over to grab webbing strap end loop.