We are finally getting around to sorting, labeling, and inventory-ing all of our power and XLR cables. I also want to relax all the bends and kinks out of them and re-roll them correctly. I've heard this can be done by just laying them out in the sun. Does anyone have any experience with this? How long does it take? Do I need to hang them, or can they just lay flat on the ground? I think I'm going to do it on the roof, so either is an option, as least for some of the shorter ones, although just laying them out flat would be easier.