Super-2™ Drumheads “A New Kind Of Two Ply Head”: They have great attack, projection and depth unlike any other drumheads. The patented Safe-T-Loc hoop prevents the head from slipping and the Sound Curve collar design provides “Responsive Tuning.” With Responsive Tuning, one turn of the drum key and Super-2™ heads react. Made with a 7 mil ply and 5 mil ply configuration.Clear: Wet attack, lots of bottom end and depth.