[dredmorbius]

Or you can buy a citrus juicer and make it yourself. A couple or three oranges and a few seconds in the morning.

OXO Good Grips runs about $20, it's a squeeze-by-hand option. You can get a wooden reamer, or spend about or upwards of a Franklin for something complicated, though I find simpler is saner.

[MisterTea]

I have both an old school glass dish reamer as well as a wooden reamer. Use it for making lemon/lime iced tea (using actual tea, not that powered sugar crap) for the summer months.