If you know anything at all about Dean Lister, it’s probably that 1. he looks like he could snap the average human in half with his bare hands and 2. he’s, like, really good at lower-body submissions.
Filmmaker Stuart Cooper has done the grappling world a big favor by releasing a technique video that shows Lister himself demonstrating how to execute a perfect straight ankle lock from 50/50. This is a great opportunity to learn from the legend himself, so make sure you pay close attention to all the details!