
Left-Handed Vertical Ergonomic Programmable Gaming Mouse with adjustable weight,

Adesso Imouse E7 - Ergonomic Mouse for Left Hand, with Cable, Programmable Functions, and Adjustable Weight, Black,

Amazon.com: Adesso Imouse E7 - Ergonomic Mouse for Left Hand, with Cable, Programmable Functions, and Adjustable Weight, Black : Office Products,

USB Adjustable Vertical Ergonomic Mouse (TAA Compliant),

Adesso iMouse T40 Wireless Programmable Ergonomic Trackball Mouse Optical Wireless Radio Frequency 2.40 GHz Black USB 4800 dpi Trackball Scroll Wheel 7 Buttons Symmetrical 2 x AAA Battery Supported - Office Depot,