5x2.8m Yoga Pilates Aerial Silk Kit Swing Anti-Gravity Hammock5x2. 8m Yoga Pilates Aerial Silk Kit Swing Anti Gravity Hammock Take your yoga practice or workout routine to the next level with this high grade Travis Harding Yoga Pilates Aerial Silk Kit. Designed for training and or performance, this strong silk sling is a useful aid for yoga, pilates, tumbling, gymnastics, dance, callisthenics or general strength and flexibility training. With a generous weight capacity, the silk is suitable for all body types