Hallo,david its its been a long time,i agree you have to have astrong base with boxing ,kickboxing and wersling for starting and i getting that with sanshou and mmma ,but fot the street you have to add some dirty tactics and moves,last time a was teaching a judo guy brown belt the basic stand up drill for fighting ,boy that was hard,its important to become a versatile fighter and trainfor that ,anyway still trainingon the heavy bag to and to some solo drills i’v learned from my teacher mr de meere take care greetings.tom