Hack of the Night : How to best squeeze lemons

If you want to get some freshly squeezed lemon juice, and you don't want to buy one of those little containers at the store, here's the best way to get the most juice out of the lemon... 

For the record, I didn't have anything to do with the suggestive picture.  Some of you probably didn't even notice the pitcher, or the actual lemons did you?..  Be honest...