Here is a picture of a different sort of vibrotactile device This one is intended for stroke victims.
The article, medscape.com/viewarticle/pr...
says it is based on research from Stanford and Georgia Tech. It would be great not to have the fingertips covered and be able to do other things. "In a clinical trial, patients wore the device for 3 hours a day for 8 weeks, while doing their usual activities. "
I wonder also if it is based on the Google Haptics board design as I thought it looked something like that format