The problem with butter is not that it is hard to cut. The problem with butter is butter temperature just out of the bridge. And people doesn’t have the time to let the butter to get to room temperature.
This butter kinfe is supposed to save you time. Innovative, heated serrated edge designed to curl up and soften cold butter easily. Made from heat conducting technology that utilizes your body heat to carve and spread cold butter.
No electricity or batteries required; safe for children; dishwasher safe.
Most reviews on Amazon say it work, and only a 14% of people who bought it say it doesn’t work. Maybe they didn’t understood how to use it, as some people even claim that have put it on warm water to warm it up. The key is to not cut off large chunks, just comb, comb comb!