It's not too hard on the hand, compared to other manual pumps, although some mums report it can be hard on the nipples until you get used to it. (bounty.com)
Other manual breast pump models include piston style handles or even foot operated pumps. (expressing-mama.com)
When relying on email or other manual systems, attorneys have no vision into whether an important assignment will meet a deadline. (lawpracticetoday.org)