This unique instrument, also known as a vibraslap, or jawbone, creates a sustained rattling sound when the ball is struck with the palm of the hand. Constructed of eco-friendly Siam Oak wood, this instrument is excellent for creating special sound effects. It is played by holding the steel bar with the wooden ball positioned directly below the rattling chamber. · Constructed of eco-friendly Siam Oak wood · Played by holding the steel bar with the wooden ball positioned directly below the rattling chamber · Creates a sustained rattling sound when ball is struck against the palm of the hand · Excellent for creating special sound effects! Great for sound stories!