AirPoint Mouse functions as a desktop mouse & a finger-wearable mouse for a 2-in-1 design » Gadget Flow
Finger Mouse to Replace Mouse Device | Herald English
Right & Left Handed DXT 2 Ergonomic Vertical Mouse | Kinesis Mice
Amazon.com: YUMQUA Y-01 Portable Mini Finger Hand Held 4D USB Wired Trackball Mouse for Laptop Mac Window Computer Fits Left and Right Handed Users Black : Electronics
Amazon.com: HSI Wireless Wearable Finger Mouse - Compatible with Bluetooth 4.0, Rechargeable, Optical Sensing, Ergonomic Design for Smartphones, Laptops and Desktops (Black Pearl) : Electronics