Method: Prepare some red pepper, medical alcohol, garlic, and ginger. First cut the purchased dried chili into small pieces and wrap it with gauze, then put it in a bottle, soak it in alcohol and soak it for three hours, then mash the ginger and garlic to get the juice, and then mix it with the chili water. Pour together into the prepared spray bottle, the capsaicin will dissolve in the alcohol and will work great.

Uses: Used for emergency defense, highly camouflaged, placed in pockets and handbags. When encountering a situation, take it out, aim it at the criminal's face, push it gently, and the mist gas will be sprayed out, which can make the criminal unable to open his eyes, make him cough violently, and prevent him from carrying out an attack. It doesn't take much effort to subdue the gangster.