The Black Pearl 3-Hole hair shear features semi convex edges for precision cutting. Includes Washi's Anti-Push Edge to eliminate hair sliding. Experience a natural cutting position. This three hole swivel shear is designed for the stylist that has problems with wrist or thumb fatigue. A healthy alternative to a conventional shear. The 2 finger holes allow for correct alignment of the 2 middle fingers. This helps with any problems related to carpal tunnel. The swivel thumb creates a horizontal cutting action that flattens the wrist, lowers your elbow and shoulder position while cutting.