David Lamond, who runs Quantico Dojo in Fredericksburg, will give a jujutsu demonstration May 30, 2013, at Barber Physical Activity Center and begin teaching a jujutsu class at the gym next month. - David Lamond, who runs Quantico Dojo in Fredericksburg, will give a jujutsu demonstration May 30, 2013, at Barber Physical Activity Center and begin teaching a jujutsu class at the gym next month.