1. This mini knife sharpener is easy to put into the pocket which is good to outdoor, BBQ and pinic.
2. Two non-slip plastic sheets are designed on the bottom, which can effectively prevent slippage during use.
3. The ring of  knife sharper is convenient to carry and hand on the wall.

How to use the pocket knife sharpener :

• Pull the knife at 15-50 angeles(knife head lower than knife handle) , please pull in one direction for 3-4 times. Remember not to move backward and forward
• 2 step knife sharpening: the 1st slot  is sharpened the delicate grinding . the 2nd slot  is fine grinding for a clean polish