Wicked Edge We are happy to announce the addition of the The Wicked Edge sharpening system. Chefknivestogo will be picking up this excellent sharpener shortly so stay tuned. The Wicked Edge is a precision engineered, manual sharpening machine. It was designed with very exacting standards to consistently deliver an incredible, razor sharp edge. While the results are excellent, it is easy to use and does not require special knowledge or skills to use.