Thirty-Six Degrees Hidden Warm Wave Catkins

"Thirty-six Degrees of Warm Wave Catkins" is a set of books that includes all martial arts secrets from ancient times to the present. There are 108 books in total, which correspond to head skills, throat skills, shoulder skills, arm skills, elbow skills, wrist skills, hand skills, palm skills, finger skills, back skills, chest skills, abdominal skills, hip skills, leg skills, knee skills, ankle skills, foot skills, etc.