Self defence classes for all age groups. Shihan Anthony Flask is a 6th Dan Black Belt and has instructed the art of Ju-Jitsu for over 30 years. This system cover a complete range of self defence techniques that will cater to both male and female. The system combines fitness, motor skills, unbalancing, locking, throwing, striking, kicking, grappling, defence against armed and unarmed attackers. This is an all round self defence system.