R1 radio has a control method you've never seen before

Here's a new way to control a radio: by rolling it. The design is simple, with the direction you roll the R1 Radio doing one of two things. Sliding it up and down will adjust the volume, as well as turn the radio off; side-to-side and you can adjust tuning.

From the designer:

"An analog radio is one of most important product for a blind people. In the using a behavior of how people manipulated ra...