BG Thumb Cushion Fits Thumbrests with Neckstrap Eyelets Comfortable and strong, the BG thumb cushion fits both clarinet and oboe and is adaptable to all models The BG Thumb Cushion offers the widest and most firm cushion of any on the market Molded from strong rubber, the BG cushion will not easily flex and offers a strong and wide support for the clarinet Comfortable and strong, the BG thumb cushion fits both clarinet and oboe and is adaptable to all models The BG Thumb Cushion offers the widest and most firm cushion of any on the market