PRO whoopie slings let you perfectly level the hammock and give the desired shape. Additionally equipped with smart endings for hanging luggage.PROinforms that whoopie slings, besides their primary function, offer something unique. The main function of the whoopie slings is to smoothly adjust the tension level of a hammock. Usage Short, so-called fixed loops, are attached to the loops at the ends of the hammock. Long loops, the so-called tensioning loops are usually attached to carabiners of straps (tree huggers) that are wrapped around the trees. The adjustable length of the loops let to perfectly level the hammock and give it the desired shape. When the hammock is stretched, these loops lock and keep the hammock in the set position. Tensioning loops are equipped with characteristic orange beads to prevent the loops from slipping out accidentally. We have left 20 cm of free cord between the loops so that you can thread the fixed loops directly through the end channels of the hammo