The holder 4 by Ultra Sport trampoline safety set / Storm and ground anchor "are robust fixing pegs that function like a corkscrew. That works very well with loose soil. In unstable soils must make sure that sufficient vertical pressure when screwing the hook hat.Sonst it can happen that you drill just a big hole. My tip: Soak the soil at least a day with plenty of water before, then the holder should be able to screw it well and avoids damaging the ground.
The straps are fine and have a good time. My tip: At least once a year to solve the tapes and completely spray with plastic cleaners. Then the bands should keep almost forever.