The Story
An electric whistle for signalling the end of time during shiai, randori or keiko. The whistle works by pressing a button which produces a whistle sound electronically. Includes and adjustable strap.
Requires two AA batteries which are not included. Available in three different colors. Weight: 90g, Volume: 120 decibels.

Details & Craftsmanship
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Description
An electric whistle for signalling the end of time during shiai, randori or keiko. The whistle works by pressing a button which produces a whistle sound electronically. Includes and adjustable strap.
Requires two AA batteries which are not included. Available in three different colors. Weight: 90g, Volume: 120 decibels.
























