Legendary Tokyo kinbakushi Shigonawa Bingo’s rope bar.
Tiny bar with enough sitting room for half a dozen punters, and a small tatami area where the staff will occasionally tie willing customers.
These days, Bingo will only be there a few days a week. Check the bar schedule to know who will be there on a given night.
On Wednesdays, from 9pm to 11pm: small rope class (¥2k/p). Preferable to contact in advance (via email or Twitter) if planning to attend. Not much English spoken, but OK as long as you are fine figuring it out non-verbally.