Anyone use this? Seems like a neat product, but I was wondering if it was a gimmick.
http://www.amazon.com/Work-Sharp-WS...TF8&qid=1392681349&sr=8-7&keywords=work+sharp
http://www.amazon.com/Work-Sharp-WS...TF8&qid=1392681349&sr=8-7&keywords=work+sharp