Logitech's Lift is a vertical mouse that's easier to grasp | Ars Technica
Logitech MX Vertical Ergonomic Wireless Mouse
2.4G Wireless Vertical Mouse Left Hand USB Ergonomic Optical Mouse Left- handed High Adjustable 800/ 1200/ 1600 DPI 5 Buttons for Mac Laptop PC - Walmart.com
Logitech shows love for lefties. The lift vertical mouse shows how to do that - Game News 24
Logitech MX Vertical Review: The Clear Leader for Ergonomic Mice – Review Geek
PERIMICE-719L - Left-handed Wireless Ergonomic Mouse Silent Click Smaller Hand Size – Perixx USA