Bathhouses and onsen ( hot springs ) usually forbid entry to tattoo wearers .
澡堂和温泉往往禁止有纹身的人进入。
Referred to as " the tubs , " these bathhouses evolved from being discreet meeting spots for sex to fully-licensed establishments where many in the community would discuss social politics .
It supported a large commercial infrastructure , including not only bars , bathhouses , and other unique sexual institutions , but also a local , community-based press and other forms of communication , along with bookstores and coffeehouses .