Contour RollerMouse Red Ergonomic Mouse for Shoulder Forearm Wrist Strain Relief for RSI Carpal Tunnel Centered Rollerbar 6 Customizable Buttons 10 Speed Settings Mac/PC Compatible Wireless - Regular

I tried one and it made my De Quervains and carpal tunnel pain much worse. My best mouse was a flat horizontal one - https://www.amazon.com.au/Contour-RollerMouse-Red-Wireless-Ergonomic/dp/B0D1XDDW2S/ref=asc_df_B0D1XDDW2S My employer paid for mine.