Here’s a place to collect gifs of the Fe – Warm Head Push signal, which is described thusly: “The chin shovels forward with a ballistic, or curved, velocity pattern."
The gifs don’t need to show just this one signal in isolation, necessarily – as long as the relevant signal is clear.
Here’s two examples of Abby Martin, who’s in the database as FeNi l—, doing a warm head push.