Caper:

The NEC uses the term "Crowfeet" and the following post shows one.
https://www.electrical-contractor.net/ubb/Forum2/HTML/000615.html
410.16(D) Luminaire (Fixture) Studs.

Luminaire (fixture) studs that are not a part of outlet boxes, hickeys, tripods, and crowfeet shall be made of steel, malleable iron, or other material suitable for the application.

Joe Tedesco, NEC Consultant