Before revision: Scissor grinders (German: Scherenschleifer), sometimes also scissor and knife grinders or knife and scissor grinders, in short also knife grinders, are craftsmen who sharpen and repair blunt knives, scissors and other cutting tools.
After revision: A scissor grinder (German: Scherenschleifer), sometimes also scissor and knife grinder or knife and scissor grinder, for short also knife grinder, is a craftsman who sharpen and repair blunt knives, scissors and other cutting tools.