This is an oldie but a goodie
In wrestling, they have so many different names for this technique, but they all have the same end result - pinning your opponent to the mat.
The Pancake, the name I know it by, is a powerful finish from a front head lock. You can catch people's shots with this, or immediately after sprawling your opponent.
This takedown finish has scored me many victories throughout my career, and any fighter would be missing out on a simple but powerful weapon in their arsenal without it.