Knacker /(?)/

Knack·er

Knacker

n.
  1. One who makes knickknacks, toys, etc.
  2. One of two or more pieces of bone or wood held loosely between the fingers, and struck together by moving the hand; -- called also clapper.

Knacker

n.
  1. a harness maker. [Obs. or Prov. Eng.]
  2. One who slaughters worn-out horses and sells their flesh for dog's meat. [Eng.]