Famous Physical Therapists Bob Schrupp and Brad Heineck put forth their opinion on copper and/or magnet braces. They imagine it is best to never buy them they usually let you know why.
Take a look at 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: