A Vertical Mouse that Doesn't Suck: (Logitech MX Vertical) - YouTube
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 : Amazon.ca: Electronics
DataBlitz - ERGONOMICS MEETS PERFORMANCE. Rise above discomfort with the Logitech MX Vertical Advanced Ergonomic Mouse which will be available today at DataBlitz branches and E-commerce store! MX Vertical is an advanced
Mouse Logitech MX Vertical, Wireless/Bluetooth, Black - PC Garage