"Tribal Musical Instrument, Mouth Harp with pull stick, Sasak tribe, Lombok Island, Indonesia, Early to mid 20th c, bamboo, string, played by using the mouth as the resonating cavity and pulling the string to vibrate the bamboo. There are many traditional songs written for it. It has been referred to as a 'mind cleaner' Because it uses the mouth to resonate, it clears the brain of unclear thoughts. 7 1/2"" x 5/8"" x 1/8"", pull stick - 6 3/4"" x 3/8, $65., thedavidalancollection.com , solana beach, ca"