The Remo Didgeharp shaker features an authentic Aboriginal type surface and is a new instrument in the world of percussion music. You can shake or strike it, as it combines the sounds of the Jaw Harp and the Australian Didgeridoo. By playing it, you will discover many other percussive possibilities from Remo's Didgeharp. The Didgeharp shakers are made with a simple musical spring inside the tube, with a small button on opposite sides.