Fidget spinner on bass Posted on Wednesday, May 17th, 2017 at 6:09 am. PTWritten by Dave Mark Pretty good technique all the way around. JimCracky First time I saw one of these, this came timing.Used to do this with those little battery fans with the rubber blades.Awesome! Mo It’s the equivalent of an electric toothbrush, then. Smart. Kriztyan Very cool.