A Vertical Mouse that Doesn't Suck: (Logitech MX Vertical) - YouTube
Logitech Lift Vertical Ergonomic Mouse, hands on: Compact and comfortable | ZDNET
Logitech MX Vertical (Kabellos) - buy at digitec
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
Logitech MX Vertical Ergonomic Wireless Mouse
MOUSE LOGITECH MX VERTICAL ERGONOMICO BLUETOOH USB BLACK (PN:910-005447)