Mark Hopkins

Owner/founder of Dojo Americana;black belt jiu-jitsu instructor; Professional Photographer

[Mark Hopkins @DojoMark]

Jiu Jitsu Roll: 53-year-old Black Belt training with a 40-year-old Brown Belt: https://t.co/2S7r9T148e via @YouTube

[Mark Hopkins @DojoMark]

San Marcos Wrestling vs Blue team: https://t.co/hgLVAbEMNV via @YouTube

[Mark Hopkins @DojoMark]

Frosh-Soph Wrestling at Vista Duals Tourney: https://t.co/xlhBGNNEGR via @YouTube

[Mark Hopkins @DojoMark]

Jiu Jitsu Defense against a Headlock when you're on the ground: https://t.co/BZMEXOYRQR via @YouTube

[Mark Hopkins @DojoMark]

67 year-old Practices jiu jitsu for Fun, Fitness and Self Defense: https://t.co/3HYREupXmS via @YouTube

[Mark Hopkins @DojoMark]

Young & Strong Blue Belt Rolling with 53 year-old Black belt Instructor.: https://t.co/IcXBzD3srj via @YouTube

[Mark Hopkins @DojoMark]

Jiu-Jitsu How to defend against the single-leg takedown: https://t.co/B3rBscfdem via @YouTube

[Mark Hopkins @DojoMark]

My favorite Takedown to use against a Boxer or Punches: https://t.co/uymwfE2WCK via @YouTube

[Mark Hopkins @DojoMark]

Blue Belt Taps Out Black Belt!!: https://t.co/GTOeov1kfs via @YouTube

[Mark Hopkins @DojoMark]

Verbal Jiu Jitsu and How to Avoid a Fight.: https://t.co/f7KAw0jjCE via @YouTube

[Mark Hopkins @DojoMark]

Women's Self Defense: Super Effective Technique for Women in this Situation: https://t.co/Boa8ewnfZ0 via @YouTube

[Mark Hopkins @DojoMark]

Woman takes Up Jiu-Jitsu after being Attacked and Assaulted: https://t.co/W6nLmbJgYT via @YouTube

[Mark Hopkins @DojoMark]

Lets Talk Jiu Jitsu and Why You Need It.: https://t.co/nISZ9FnySM via @YouTube

[Mark Hopkins @DojoMark]

Can a 29 year-old Jiu Jitsu Purple Belt Smash an Old Man Black Belt??: https://t.co/PCZFRDGLxc via @YouTube

[Mark Hopkins @DojoMark]

Boxing vs Jiu-Jitsu: Can You Get the Takedown?: https://t.co/vWUM2yQ8he via @YouTube

[Mark Hopkins @DojoMark]

rick interview: https://t.co/SPS2PbZAcn via @YouTube

[Mark Hopkins @DojoMark]

Jiu-Jitsu Thoughts from a Brand New White Belt: https://t.co/pcLDYHguM2 via @YouTube

[Mark Hopkins @DojoMark]

67 year-old Blue Belt Talks Jiu-Jitsu for Self Defense: https://t.co/CsvnUzYk7U via @YouTube

[Mark Hopkins @DojoMark]

Starting Jiu-Jitsu at Over 60 years-old…No problem!!: https://t.co/9U0vTbU0lg via @YouTube

[Mark Hopkins @DojoMark]

Jiu-Jitsu Against Knives and Guns on The Ground: https://t.co/oydRMBvn6y via @YouTube