re: Mathematics, needlessly lewd
@Leucrotta Or, would you be not just fucking the inside but also holding the inside of it as well? :3
re: Mathematics, needlessly lewd
@frostwolf we’re watching this thing about Klein bottles and they technically have only one surface with no edge, and so technically using a Klein bottle as a sex toy would be less like fucking a fleshlight and more like rubbing off on a towel or something