many many many moons ago, when i first met Howard Popkin, he was all smile and then we did same hand grab. he put the softess and smoothess nikyo on me (i have not felt from anyone since). my whole body structure was locked. my balance was broken. no pain involved. the freakest thing was i couldn't let go. he didn't even use his other hand to hold my wrist. just one hand and i couldn't let go. tried as i may, opening all my fingers, i couldn't let go. freaked me out. it was one of those WTF moment. it wasn't just me. he went down the line and got everyone. then we did the two hand grab, he put on a double nikkyo and both of my arms, got me shot forward on my toes, weight back, body crunch, locked up tight, and watch this coming.... no pain of any kind. then he said, while all smiling, "you know if i drop my arms your head would whip forward and down, then at the same time i raise my knee. mister head would meet mister knee." ok, for gentle reader, at this time, i was frantically trying to let go and get away. no dice. no can't go anywhere. lucky for him that he was a nice guy and let me out of the locks; otherwise, i would have hurt his knee. many years later, i paid him back by introducing some capsicin oilnment to his knee.