Collar Choke Transition from The "William's Guard"

What do you think this Collar Choke Transition from The "William's Guard" video?

Here’s a very tight collar choke that works well with all of the guard attacks I have been releasing. Enjoy and happy training Ninjas! Of course you’ve heard about the all new FLOW-JITSU video series! Now available: jjbgear.com/collections/featured/products/flow-jitsu-digital-download?variant=24244961031