Vai Spin Rotating thumb ergonomic design Japanese scissors made from hardened Japanese forged alloy. A high end quality, affordable rotating scissor for both right and lefties. Spin performs like a £500 + scissor but you can get a spin for so much less. The wide contact thumb gives you more control and comfort. The Polymer Glide™ pivots, molybdenum alloy blades and convex edges combine to make this one of the best performing shears in the industry.