Summary: Sharing the 11 'mat rules' as shown on a poster in the Brazilian Jiu Jitsu (BJJ) gym I train in that can help new BJJ players get off on the right foot of their BJJ journey. The source for the list is Chokebrand.* Find the poster at https://www.redbubble.com/i/postcard/Mat-Rules-Poster-by-CHOKEBRAND/23763217.V7PMD (https://www.redbubble.com/i/postcard/Mat-Rules-Poster-by-CHOKEBRAND/23763217.V7PMD)
