When I was packing the diaper bag today, I made sure to back bottles, but forgot the nipple!
In the nursery there was an extra sippy cup, so we managed to feed my 9 week old 2 ounces out of a sippy cup! She laughed and grinned through it, so she must have realized it was something out of the ordinary! I'm not planning on giving her a sippy for several more months, but it's nice knowing that we can improvise as needed.
How old was your LO when they first used a sippy?