1. Hold the spray can in your hand, hold the bottle body according to the directional holding device, and keep your fingers close to the holding place.
2. Put your index finger into the patented misoperation prevention cover and touch the anti-slip spray button.
3. Take the opened mistake-proof cover as a sight and aim it at the eyebrows of the gangster.
4. When gangsters enter their own range, they can spray pepper glue on their faces.