Simple Self - Defense Technique - Groin Strike. This technique is very simple and effective and takes very little training. Bearing in mind you will be striking in a vulnerable area. This should take particular interest to women who tend to be more prone to attacks. Please be aware that if your attacker has a weapon then the situation must be re evaluated. If your intention is still to defend yourself it has to be instantaneous and without hesitation. Make very sure when you practice the simple self – defense technique you use caution as you could seriously injure someone.