R. Rated - Wikipedia

Twitch says AO rated games are not welcome on the service

Five Scandalous Film Rating Controversies

Rated R | Postcard

What's the Point of R-Rated Superheroes?

Retrospectively Rated Insurance: What it Means, How it Works

R-Rated Movies

Movies get a ratings system – Dan The Man Trivia

Rubber Stamps With Word Rated Inside, Vector Illustration Royalty Free SVG, Cliparts, Vectors, and Stock Illustration. Image 32652974.

Rated R

Fire-Rated Commercial Wood Doors, Mineral Core Fire Doors