UPGRADE BACKBADGER MINI TO BACKBADGER FLEX - Pair the Extension Handle with BackBadger Mini to upgrade it to the full-sized BackBadger Flex massage gun handle. UNLOCK FULL-BODY SELF MASSAGE - When you upgrade to the BackBadger Flex, you unlock access to the most ergonomic way to give yourself a full-body massage. Effortlessly relieve pain in your whole body, including your back, neck, shoulders, glutes, hamstrings, legs, and feet. Enjoy the freedom to care for yourself on your own terms, where and when you need it. RELIEVE PAIN WITHOUT STRAINING - No more awkward positions or asking for help to get to what hurts. BackBadger Flex’s curve, adjustable shape, and lightweight design lets you reach everything you need to with comfort and ease. BackBadger Flex’s extra length gives you more leverage and control of your massage gun. This makes the massage gun feel weightless while you massage yourself. Fully relax your muscles while treating them for effortless deep tissue pain relief. 4 MODES ADAPT TO YOUR BODY’S UNIQUE NEEDS - BackBadger Flex configures into 4 different shapes to choose from. Customize your massage to suit your body, even if your needs change day-by-day. You can also remove the holster mid-massage to use your massage gun freehand. With all the ways to use BackBadger Flex, you can find an effortless massage at every size, strength level, and range of motion. The piece that converts BackBadger Mini into BackBadger Flex lets you upgrade the BackBadger Mini to the full-sized BackBadger Flex, so you can reach even more and give yourself an effortless full-body massage.