[BobaFloutist]

I mean "don't have a tattoo" isn't really a rule you can follow based on a sign very easily.

[ponector]

But somehow you can follow rules with signs like "women(men) only". I bet it's easier to follow no tattoo rule.

[BobaFloutist]

I mean you can't quickly remove a tattoo or change your gender based on a sign.

[eska]

You can still get a private onsen room.