I have been reading about the different ways to setup tarp tesioners. I tried some from bungee cords, and they work ok, but I wanted something a little different. I liked the idea of the surgical tube as the tensioner and read that some had used replacement slingshot tube, so I went by Walmart to look for some, but no luck. However, I did find something that I think might work. Walmart sells these resistance exercise tubes, so I made a couple of inline tensioners and will see how they hold up. I have some Triptease on the way and plan to use it as my guy out line. I am planning on sliding the tube over the line and bunching up a section of line inside the tube to make inline tesioners, attaching the loop end to the stake, and then use a prussik to attach the other end to the tarp D ring. Anyone else try this? Any thoughts on how this might work out?