There is a chip on the raised part of the joint. Cables and AC adapter should be 100V for Japan.
Shamisen Bachi Pick Traditional Instrument Tool 3pcs Set
Shamisen Bachi Pick Traditional Instrument Tool 2pcs set
Shamisen Bachi Pick Traditional Instrument Tool Wood with Pouch
Shamisen Bachi Pick Traditional Instrument Tool
Shamisen Bachi Pick Traditional Instrument Tool Wooden 2 pcs Set
Shamisen Bachi Pick Traditional Instrument Tool with Pouch
