| 摘要 |
The invention relates to a handy and practical training instrument allowing beginners in stringed instrument to train their rigid hand fingers and therapy succeding in performing difficult pieces of music. The device in question has the appearance of a fingerboard which due to its small volume can be used everywhere (in office, during watching television etc.). The device in question bears keys in the arrangement strings and is designed to efficiently train each hand finger separately as required for the performance of the instrument. |
