Latin Percussion Brazilian Brass Cuica 8" diameter x 10-1/2" deep brass shell Innovative top-tuning design with 8 tuning lugs Rub its stick with a wet cloth while applying pressure to the "stick bead" on the drum head Produce a unique sound by applying varying degrees of pressure to the drum head Precision machined hardware offers accurate tuning. Goat skin head with bamboo stick. Includes carry strap