The moves at the Intermediate-Advanced Level incorporate hand grips, stances, preparations, etc. that are communicated in specific ways. I recommend that you practice these moves at home with a reliable partner before trying it out on the dance floor. Remember that when you are dancing with someone you don’t know, to start with level 1-3 moves to determine their ability level and go up from there. Furthermore, if the move involves any risk (such as a flip, dip, or aerial), ask before leading a follow to do that move.