Found this attached to the wall behind an old bar. The eyelet screw was attached and saw no way to use whatever this is without removing from the wall. : r/Whatisthis

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Why would a drywall anchor pop out of the wall during installation? It feels like there's something behind the drywall pushing back when I try to screw in the anchor. - Quora

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Under the Roof Decorating Deco Screws 30 lb Sampler - Nickel Finish, Cone Shaped Shank, Supports up to 30 lbs, No Puncturing Wiring or Plumbing in the Picture Hangers department at

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Wall Hanging Dining Table, Buffet,school Desk, Breakfast Nook With Industrial Metal Wall Hanging Turnbuckle Brackets

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How To Remove a Wall, Load Bearing or Not, and Install a Header