The sinks, which form a row under a large cracked and spotted mirror, have copper taps, one of which has a tiny snake scratched on the side. Apparently that particular tap is a complete dud when considered as part of the plumbing; it serves another function. In fact, if given the proper password, that particular tap will glow and spin briefly before the entire sink drops down out of sight to expose the large pipe leading to the Chamber of Secrets. Also find Miserable Moping Moaning Myrtle who died over fifty years ago in the second stall.