GAMMA Glide is a revolutionary cross string made of a super elastic, fluorinated polymer. This material dramatically reduces the sliding friction between cross strings and main strings, delivering spin, power and comfort. Add up to an additional 300 RPMs with a single string job! Glide Hybrid with Moto provides the spin potential, power and comfort of Glide Cross String with the ball bite of GAMMA Moto. For best results, string Glide Cross String with 10 percent higher tension than your normal cross string.