The ButterKnife is a weapon in EarthBound Beginnings that Teddy can equip. It is rendered useless by the sword in Magicant, a much stronger weapon. It increases
Teddy's offense by 15 when equipped. It can be purchased for $580 in the department store of Ellay; one ButterKnife can be found in a present in the center of Sweet Little's Factory.