Logitech introduces the Lift, a new ergonomic vertical mouse
A $100 mouse you hold like THIS?? - Logitech MX Vertical Review - YouTube
Logitech MX Vertical Review: The Clear Leader for Ergonomic Mice – Review Geek
Logitech MX Vertical Advanced Wireless Optical Mouse with Ergonomic Design Graphite 910-005447 - Best Buy
Logitech MX Vertical Black
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 : Video Games