Trick Drums Pro 1-V Single Short Board Bass Drum Pedal Unparalleled response and accuracy The Trick Pro 1-V Detonator Single Bass Drum Pedal is an engineering marvel It features innovative design elements, aerospace materials - titanium, billet aluminum, stainless and hardened steel - and machined on the latest state-of-the-art CNC equipment These technical innovations result in one thing: A pedal that plays like no other Compression Spring TechnologyThe Pro 1-V Detonator utilizes an internally housed compression spring