Tama TW200 Tension Watch - with Removable Bumper Tension Watch The handy TW200 Tama Tension Watch features an easy-to-read dial and mounts to a detachable nylon bumper to ensure consistent measuring distance from your drum hoops This results in an evenly tensioned drum for the best tone The handy TW200 Tama Tension Watch features an easy-to-read dial and mounts to a detachable nylon bumper to ensure consistent measuring distance from your drum hoops This results in an evenly tensioned drum for the best tone