Hi Jess! Peter shows some partner work that focuses on body respnds to long slow holds in Season 2 of Levity Yoga https://www.yogaanytime.com/show-season/5098/Yoga-LEVITYoga-Season-2-Deepen-Your-Practice
And Scott shares some playful partner work in the Partner Yoga Show https://www.yogaanytime.com/show-view/73/Yoga-Show-Partner-Yoga
And this is a very cool assist with Richard Rosen to help a friend find the widening of the occiput https://www.yogaanytime.com/class-view/694/video/Yoga-Jalandhara-Bandha-Prep-by-Richard-Rosen
There are a few others, but not as focused on the subtle as this particular episode. I hope you have tried it with a pal cuz it really works!