[St-Clock]

And:

1. The floor is likely slippery.

2. It's dark

3. Glass mugs/Bottles can be broken and used as a weapon

4. There are hard table corners (watch out if you fall!)

5. There are chairs in the way (or maybe they can help you if you like to wield chairs!!)

A football team once picked a fight in a bar with a kung fu school. One of the best Kung Fu student slipped on the floor and his 15 years of kung fu went out of the window very very very quickly :-)