It looked weird so i took it off

This is inside the headlight assembly. What is that, how did it get like that, and im guessing i have to replace it? Whatever the metal thing is inside, it moves freely.

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Rides:
1997 Ford Ranger XLT 4.0L V6
1984 Yamaha YTM200E Tri-Moto
In Progress:
1971/1972? Rupp Roadster 2

It looks like the little bit that sits in front of the bulb blocking the light from going directly out the lens rather than going back to the reflector so it's aimed properly . . .