Tagger /(?)/

Tag·ger

Tagger

n.
  1. One who, or that which, appends or joins one thing to another.
  2. That which is pointed like a tag.
    Hedgehogs' or procupines' small taggers.
    — Cotton.
  3. Sheets of tin or other plate which run below the gauge.
  4. A device for removing taglocks from sheep.