No-gi Intermediate
Lachlan Giles on the inside heel hook: setup, safety and the control that has to exist before you crank anything. Also the best short explanation of how the position injures.
Control
Saddle Control
Keeping the knee line and controlling the secondary leg so the opponent cannot clear their knee from the saddle.
Also called holding the saddle, inside sankaku control, honey hole control.
Where it shows up
Related techniques
Resources
2 resources
YouTube videos
No-gi Intermediate
Giles on defending and escaping the saddle: hide the heel, clear the knee, get the leg back. Also a map of the control you need to keep it.