The only thing better than the feeling of Theragun is more of it. First of its kind, the Duo Adapter was specifically designed to let you use two attachments on one Theragun device for relief in half the time. Each Theargun attachment has a unique shape and impact level and now with the Duo Adapter you are able to create a truly customized percussive therapy experience. Use two of the same attachments or mix and match attachments. Attachments not included