Description
The Caps lower the tone of the Tubes by an octave. The 8 Pack contains enough caps to use on any of our Boom whackers Sets. From the Manufacturer The new Octavator Tube Caps drop the tone of a tube by an octave, creating a possible 3-octave range. Play the tubers as usual or hold them vertically as a "stamping" tube. 8 caps in a bag