Knife Sharpening Angle Trainer – Hold Your Pocket Stone Correctly
Use your phone's gyroscope to practice holding a knife at exactly 20° on a flat stone. Build muscle memory for field sharpening.
UD5 Toolkit
Use your phone's gyroscope to practice holding a knife at exactly 20° on a flat stone. Build muscle memory for field sharpening.
Select the material you're drilling into and see the recommended point angle and lip clearance. Sharpen bits correctly.
Select knife type and see recommended sharpening angle. Visual guide with degree display. Perfect edge every time.