The Moulded Glass Rock Slide is designed and carefully crafted with your needs as a player taken into careful consideration. The Rock Slide is simply unmatched in comfort, thanks to the design's contoured finger rest and knuckle cutaway. And the slide's tapered interior ensures a uniform fit along your whole finger, adding stability and control to your slide performances. And the slide's moulded glass material is legendary for its slick feel and light weight, making high-speed passages that much easier.