Sounds like a fun place. Can't say I'm surprised this is happening in San Francisco. Actually, the whole left coast is looneyland.
http://www.huffingtonpost.com/entry/rat-cafe-san-francisco_us_5921e2e0e4b094cdba54d35f
http://www.huffingtonpost.com/entry/rat-cafe-san-francisco_us_5921e2e0e4b094cdba54d35f





