Answer:
You heard me before, yet you hear me again, then I die. Until you call me again.
I have four wings but cannot fly. I never laugh and never cry. On the same spot always found, toiling away with little sound.
I drive men mad for love of me. Easily beaten, never free.
What is bought by the yard by is worn by the foot?
i'm popular for Knuzlocks what am i
You use it between your head and your toes, the more it works the thinner it grows.
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What am I?