Chorder (mid-1990s, handmade by Greg Priest-Dorman)

Five- to seven-button chording keyboards have been a part of computing since the 1960s. Their relative simplicity, typing speed, and usability without visual attention allows them to be incorporated into a wearable system. At Vassar College, Greg Priest-Dorman fashioned this device for fast donning and doffing for use with his Herbert 1 wearable computer.