Product: Boomwhackers Octavator Tube Caps
Brand: Boomwhackers
These Caps lower the tone of the Tubes by an octave when placed on one end. The 8 pack contains enough Caps to use on any of the Boomwhackers Sets.
Expand the capabilities of your Boomwhackers

Search query: boomwhackers
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Search query: boomwhackers
Relevance: Substitute