diy springverb from 2 hard-drives

“diy springverb from 2 hard-drives”:http://www.mediumrecords.com/hacks/springs/springs.1.html

!http://www.mediumrecords.com/hacks/springs/springverb01.jpg!:http://www.mediumrecords.com/hacks/springs/springs.1.html

some audio fun with mechanical devices.