Contrabass Rosin (The bow in the photo is for illustrative purposes and is not included) LEATHERWOOD BASS EXTRA This is a used item purchased about 1-2 years ago. It has been used, but more than 90% remains. Since some time has passed since purchase, the feel may be different from a freshly made one. Manufacturer's Description: Created for situations where extra grip is needed, such as in very cold and dry climates, or when the music being played requires more power. Reference Price: When new, one piece costs 7,000 yen or more.