Piano Hand Posture Corrector Wearable Training Aid with Grip Exerciser

This piano hand posture corrector is a wearable training aid designed for piano players. It is made of silicone and comes in paper box packaging. The product is a utility model patent and is classified as a Western keyboard instrument accessory. It is suitable for music instrument scenarios. The brand is TREMOLO, model TS-01, and it is manufactured in Dongguan, Guangdong. It is not a cross-border export dedicated supply.