Lateral epicondylitis is because of overuse on the extensor muscles within the forearm and hand, ordinarily from repetitive gripping, forearm twisting, major lifting and Personal computer work.  Rollers can be obtained at most gyms (rather than utilised Considerably), but It's also possible to simply make your individual with 3 components: https://www.theorthopaedicandpainpractice.com/how-to-alleviate-tennis-elbow-pain-tips-from-a-medical-expert/