A kubotan looks like nothing more than a small, metallic cylinder you use as a key ring.
An attacker will think differently the minute he or she is struck by one of these nasty little devices. Police and self-defense experts often refer to the kubotan as an ‘instrument of attitude adjustment’ because a few well-placed strikes or jabs can completely change an attacker’s mindset.
The genius of the kubotan is its compact design. Small enough to hold in the average adult hand without difficulty, it can be used to strike bony parts of the body with pain-inflicting impact. The sharp tip can be used to jab fleshy parts of the body to inflict equally agonizing pain. Such strikes and jabs are a lot more effective than people realize.