There is a bar in Moscow especially for deaf and hard of hearing customers. The Russian owner, Andrey Melnikov, says he limits access at The Krause Disco Bar at certain times to those who can sign. He's also head of a charity called
Social Help. His staff is trained to understand signing patrons and he's installed speakers on the dance floor in such a way that people with profound deafness can feel the rhythm. Read more about it
here.