Physical therapists Brad Heineck and Bob Schrupp review the NadaChair- a tool used for sitting when no back support is available- i.e. bleachers, canoes, when practicing with an instrument (on a piano bench or stool).
Try the Products Bob and Brad LOVE on their Amazon Channel:
C2 Massage Gun:
Q2 Mini Massage Gun US:
T2 Massage Gun:
X6 PRO Massage Gun with Stainless Steel Head:
Neck and Back massager: