hey Eddie/or any of the 10th Planet guys,
been playing with some of your stuff, but i've always found it sort of difficult/taxing on my knee to go from Mission Control to New York to Chill Dog.
i remember seeing a position for similar control that i thought you referred to as "London" some time ago. couldn't find a pic of it but i did find this - http://grapplearts.com/Rubber-Guard-Setup-2.htm ... referred to as "New School" the control with the opponent's arm overhooked by you grabbing behind the back of your knee while the other arm controls the head and you clasp your hands together. i've had good success going from that, to framing the forearm to the other side of the head creating space, essentially getting me to CHILL DOG.
I have your Mastering Rubber Guard book and no longer see this position in your progression. are Mission Control and New York stronger/preferrable positions of control if you have the flexibility? do you no longer use "London"/"New School" set-ups??