TOMBO's 10 hole harmonica. It eliminates the slight air loss around the mouth and produces stable sound even during long performances. A masterpiece of domestic blues harp. The sound arrangement is such that blowing sound and sound absorption are produced by one hole, and from the number 1 stamped on the cover, it is small and high performance, and when you fake the sound, you can get the unique taste of 10 holes. This harmonica uses a resin body and is recommended for beginners. The key is D.