Logitech MX Vertical mouse wants to ease the strain on your wrist
Logitech Lift Vertical Ergonomic Mouse, hands on: Compact and comfortable | ZDNET
Amazon.com: Logitech MX Vertical Wireless Mouse – Advanced Ergonomic Design Reduces Muscle Strain, Control and Move Content Between 3 Windows and Apple Computers (Bluetooth or USB), Rechargeable, Graphite : Electronics
Logitech's Lift is a vertical mouse that's easier to grasp | Ars Technica
Logitech MX Vertical Review - RTINGS.com
Logitech MX Vertical review: Tackling mouse ergonomics from a new angle | Macworld