The No Arm Choke is a solid technique. It is not the most technical submission but it will end a fight.
This is a technique used by such grappling greats as ADCC champions Jeff Monson and Marcelo Garcia.
I do a variation of this technique with Head & Arm control. I feel like I have more control over my opponent with H & A.
Basically I do the same thing but I squeeze the H & A tight as I inch my body back. I also drive the shoulder of the arm around his neck into his throat to get the tap.
This is a great submission that you can quickly and easily add to your game !