A handheld, arrow broadhead cutting blade sharpener used for cutting blades on an arrow broadhead, knife blades and other cutting edges. A topping comprising large seasoning bits and a dry adhesive is applied to a cooked chip. An inner surface of the wall member has a fixation portion where the ultrasonic sensor is fixed, a touch portion where the ultrasonic transducer touches, and a location mark portion that indicates location of the fixation portion. In the above first to fourth determinations, when the number of cases determined as normality is two times or more, normal rotation is determined, and otherwise, reverse rotation is determined.