Sabian CLST Effeks ClapYouve asked and we answered. Here is the SABIAN Effeks Clap. This is a 3 piece stack made from raw B20 Sabian Bronze that is slightly curved and relaxed to allow for that classic 80s digital clap sound. SABIAN innovated to reduce all high pitched metallic resonances and give a pure clean sound. Features 3 piece stack B20 Bronze Slightly curved & relaxed for classic "clap" sound High pitched resonances removed Pure clean sound 2 Year Warranty