YAMAHA YAMAHA YAMAHA TM-30BK Tuner Microphone TM-30BK Clip-type microphone that transmits vibrations directly to the tuner by attaching the microphone to the instrument. - want.jp
InTune Mic: Wireless Clip-on Instrument Microphone for Smartphones - BagpipeLessons.com
Shar Clip-On Pickup for Tuner: Violin & Guitar Instrument Tuner