Here's a discount code for the massage gun I like:
Enter DRFIELDS10 to get 10% off and FREE shipping.
https://powerplate.com/shop/targeted...
And they're good on their warranty.

NOTE that, over the years, I purchased the Hypervolt and the Theragun, Brookstone Max 2, Vibracussor, Thumper and some cheapos but chose to go with the Power Plate.

Now that you know what to be cautious of, check out some great ways to help yourself with your massage gun:
Carpal Tunnel Syndrome/Wrist Pain
   • Massage Gun for Carpal Tunnel Syndrom...  
Lumbar Disc Problems/Low Back Pain
   • Massage Gun for Lumbar Discs and Lowe...  
Hip Pain/Arthritis
   • Massage Gun for Knee Pain and Arthritis  
Knee Pain/Arthritis
   • Massage Gun for Knee Pain and Arthritis