Item Type: Yoga Hammock Material: polyamide Uses: To improve yoga inversion, improve core strength, flexibility and relieve back pain. Suitable: For Aerial Yoga, Yoga Swing, Yoga Sling, Aerial Dance, Aerial Fitness, Air Yoga, Aerial Hammock, Unnata Yoga, Suspension Yoga, Flying Yoga, Aerial Pilates, Pilates Hammock. How to use: 1. Installation tools: Before installing the hammock, draw the point where you want the hammock to be installed according to the size of your house. Then drill holes with a hammer drill to avoid large or small gaps between the hammocks. 2. Knot path Lock button: 1. Turn the screw from the reserved hole counterclockwise 2. Press directly to open Chrysanthemum rope knots: Thread the chrysanthemum rope straight through the bowl, the long end of the rope through the hole, pull directly tight. 3. Installation distance The hole distance from the wall to the first solid disc is 1.2-1.5 m / 47.24-59.06 inches Two sets of hammocks with a fixed hole spacing of 0.7 m / 27.56 inches The distance between each hammock is 0.35 m / 13.78 inches 4. Fixed Plate Installation: During installation, the space between each hammock is 0.35 m / 13.78 in. The length of the expansion screw is no more than 10cm / 3.94 "and the thickness of the roof is 15-20cm / 5.91-7.87", so it can be easily installed and the house can be used with underfloor heating without any problems . Package list: 8 x screw 1 x hammock 2 x chrysanthemum rope 2 x climbing button carabiners 2 x hard disk 1 x instruction