Let's be honest, as a pepper spray can not be unpleasant for the peppery, but also for the pepper ligand. The Japanese are already fuchsiger and have developed a self-defense mechanism, which is quite dangerous for the operator, it but the attacker fairly certain Chesscheckmate. The ideas? Spiderman and the New Year's Eve:
Net gun and liquid launcher for stopping bag guys (thieves, robbers) in non-lethal weapons demonstration, Japan.