Product Description: Airhead AHKB3D Wake Shaker Kneeboard Wake Shaker’s newly designed channeled bottom makes kneeboarding easier and more fun to ride! You’ll love the easy rail to rail transitions, consistent arc though turns and effortless spins! Wake Shaker is great for all riding levels and has massive rocker and beveled edges for sharp turns without getting hung up during surface tricks. The deep knee wells provide ultimate comfort and control. The unique bottom features reduced water tension for a light, responsive feel. Integrated EZ UP hook provides effortless starts every time and easy access to the rope handle.