As a tech-savvy person I have gained this "agitator". "With a chicken soup time tested and it worked. However, the cup travels on the stove back and forth because the stirrer itself does not rotate, but creates in his mind a rotational movement will be around in the pot bounce the part more. Hard to explain, but if the pot is easy he "travels" .. My wife is darfür not inspire. But I will continue testing. However, it is more a toy.