AK Ether Harness. The Ether Harness is AK's light, compact trapeze that prioritizes comfort and durability. By removing all unnecessary padding, seams and reinforcements, we've created an ultra-lightweight harness ideal for surfers who travel and like minimalism. Using a 3D ergonomically shaped load plate combined with our Fly-Line load distribution technology, we have been able to build a trapeze that offers the ultimate back support while being incredibly thin and light. The Ether is designed to work with all AK-spreader bars, allowing the harness to be used by all surfers regardless of discipline. Note Spreader bar is purchased separately. Key features: Minimalist & lightweight waist harness. Ultimate lumbar support. 3D Shaped load plate.