The ScrubBoard
I first posted about this over seven years ago, and it’s been around even longer, video from 10 years back.
Tape scratching like this is definitely a cool thing. Jeremy Bell has been persistently pursuing this for a very long time. And now a Kickstarter.
The KS drive has 12 days left, and hasn’t reached its goal yet. Looks like they need 15 or 16 more backers.
ADDED : This project did not reach its funding target, though it did get close. Looks like Jeremy discovered mid-project that the manufacture costs were less, meaning to me that the price should have been lower upfront. Also the kit versions didn’t sell nearly as well as the completed version.