Theragun is leading of the game when it comes to massage guns, and whilst the Prime does cost a quite penny, it’s worth it. This comes with four distinct head attachments, a two-hour battery life, and an ergonomic grip, which makes it uncomplicated to massage oneself or other people. Spot the ball in the freezer for a couple of hours for a chilled, cooling massage—or, if you want a heated option, you...