Ergodox Keyboard with Trackball
The red trackball is probably from Slimblade Trackball
See those 4 buttons in the middle? smash, smash!
The trackball in the middle is from Kensington Expert Mouse. The ring around it functions as a scroll wheel.
Planet 6 Keyboard
photo permission page https://www.flickr.com/photos/kurplop/18475911565/in/album-72157651718823173/
(didn't get answer for permission request. I use a smaller image i hope is fair use)
Ergodox Heart Keyboard
my review of ergodox at Ergodox Keyboard Review.
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