1. OK, the thing has three hammering surfaces on the striking side and a rounded indentation on the bottom. It's some kind of a tool to round off a protrusion by hammering it down and if either side sticks up you can hammer it down too.
  2. Not made for rounding off a protrusion. Think back to the discussion we had about counterweights and some of their applications. This tool is used in one of those applications.
  3. So it's got to be related to the horse tethers.
  4. its a counterweight that holds and tethers a horse to a fixed point
  5. Nope and nope. This object t is about 4 or 5 inches tall, maybe 4" wide.
  6. Alright, another clue. Martin had a guess in the counterweights discussion that has something to do with this tool.
  7. It is used with a pulley, used to force them into the doohickey so they work right.
  8. Finally! You are absolutely right.
    It is a pulley driver for the old windows that had ropes, pulleys and weights ​
    in the sash, the pulleys were driven into the mortise with this tool.​


    From martin's post #500 in this thread:

  9. How can anybody be right who uses the technical term "doohickey".

    The answer is counterweight doohickey? Seriously?
  10. Doesn't the doohickey hook up to the thingamabobber?