Fujian Dog Boxing 狗拳 - Three Battles 三战 - Dishu Quan 地术拳 - San Zhan
The Concept of Three Battles is a basic idea in many southern styles. Dog Boxing is one of the Southern Kung Fu Styles,that focuses on different ground techniques similar like Di Gong Quan.
Yet the techniques are very different from Japanese ideas of Jiu Jitsu for example.