I think this metal lime-press has been our most-used kitchen device. Limes provide the ‘acid’ ingredient in all foods, and are the base for drinks. But you knew that. A bag of limes is about $.90 US, and they are ubiquitous.
And if there are any botanists out there, tell me what kind they are — small, thin-skinned, and very juicy even after a few days when the peel is dry and hard.