6 ms·
On 4chan at least, containment boards are a subforum created for people who are talking about generally unliked subjects. /mlp/ is an example, it was created to
by thatguy0900 7y ago
On 4chan at least, containment boards are a subforum created for people who are talking about generally unliked subjects. /mlp/ is an example, it was created to discuss my little pony Fandom to stop it being discussed elsewhere on the site.