Ergo, the Roller Mouse.
Roger
R
Brooks
D003201:Computers; D012090:Cumulative Trauma Disorders / Q000517:prevention & control*; D006804:Ergonomics; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D014481:United States; D014954:Wrist Injuries / Q000517:prevention & control*