Humboldt Jiu Jitsu Presents: Brazilian Jiu Jitsu No-Gi Seminar w/1st Degree Black Belt Marcello Daflon from Carlson Gracie Team in Rio de Janeiro, Brazil Sunday, March 25, 2018 in Crescent City Sunday, March 25, 2018 With over 20 years of Martial Arts experience, Marcello is…