An auxiliary grip to help you acquire the correct and relaxed way to hold the cello bow. Even beginners can learn how to hold a bow comfortably from the beginning. This innovative cello bowing aid helps you learn how to hold the bow correctly and quickly. One size fits all, from small children to adults. Easy installation and removal. Ergonomic design. A flexible cello grip that gently conforms to the shape of your hand. Develops a sense of balance in the fingers of the right hand, maintains optimal form, and keeps the hands and arms flexible from the early stages of learning, allowing you to concentrate more on sound production and music. Wada Unkyu aids are one size. For both small children and adults. You can learn how to use a bow correctly without making your arms stiff. To accommodate the natural movement of the bow, the index and little fingers, which play the role of steering, are in direct contact with the bow. With the Wada Yunkyu aid, you can use your arms correctly and freely from the base of the bow to the tip of the bow.