Spintech Spinsonic Rubber A New Breed of High Tension Professional Super Spin Rubber Spintech’s Spinsonic comprises of a mechanically super grippy as well as tacky topsheet coupled with a medium density sponge that supports the particular effects of speed gluing, thereby resulting in a rubber that offers medium low throw, optimum speed, explosive heavy spin and unsurpassed ball control. Aggressive near the table spin players will find this rubber to be their counter spinning and loop killing weapon.