In general, I roll my eyes at one-trick-pony kitchen tools. No one needs a dedicated avocado or apple slicer. But sometimes you do, in fact, run into a single-use item that actually does its job ...

Turn on frother (some have battery-powered options while others are rechargeable) Move the frother up and down in the milk ...

A handheld milk frother is typically battery-powered, featuring a wand with a tiny circular whisk at the end. When switched on, the whisk spins at high speed, quickly stirring and aerating ...