Heavy Duty Straps for Hammock Suspension System Kit FAST + EASY SETUP: It takes less than 1 minute to set up a hammock with Foxelli Camping Hammock Straps, with no complicated knots needed. Our two XL Hammock Straps provide safe suspension between any anchor points up to over 20 feet apart. They are tree friendly, and can also safely attach to posts, large rocks, roof racks, boat masts, docks and more. Our hammock tree straps are 100% compatible to use with any tree hammock.