Onyx Grappling

Onyx Grappling operates at 953 Jungermann Road in St Peters, Missouri, providing Brazilian Jiu-Jitsu and self-defense instruction for children, teens, and adults in the communities of St. Charles and Cottleville. The academy is led by Owner and Head Instructor Professor Dennis Knaust and Program Director Coach Emma Knaust, supported by Professor Kaden Knaust, Professor Eric Schuettenburg, and Professor Christopher Pierce alongside Instructors Kris Hetlage and Patrick Shane. Children's classes cover ages 4 to 6 and 7 to 9, and Kids & Teens classes cover ages 10 to 12 and 13 to 15, with benefits listed as confidence, focus, respect, bully prevention skills, fitness and coordination, and teamwork. Adult programming includes Men's and Women's Brazilian Jiu-Jitsu classes.