Interview with Prof. Mario Hudelist on Drilling Post author:Gajeel215 Post published:April 14, 2019 Post category:Uncategorized Here you can listen to Prof. Mario Hudelist and his way into BJJ. Learn about his philosophie of drilling and improving in BJJ. Check him out too on Instagramm and Facebook if you want to see new drills every day: look for Mariodrills!!!!