OK I’ll bite…..well I was going to until I realised that’s a little hooked spike and there is a groove in the block…so no I’m not gonna guess because I have absolutely no idea.,

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Norvin has that been fabri-cobbled together or is that how it comes?

      Norvin does is split/cut something? That little hook looks pretty sharp and the square part has a recess in the side of it

        No, it’s not for splitting or cutting. That bit is sharp but it’s not needed for its function.

        Does the “pin” move forward when you turn the knurled bit at the end, what happens if you turn the knurled bit in between the handles?

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          DavecUK

          The pin is fixed to the leg. The centre knurled bit rotates but that is not important, the centre bit is spring loaded and moves back and forth.

            Elcarajillo

            Near enough. It’s a pair of lockwire pliers. Used for twisting stainless wire to lock fasteners in place. Often used in racing where regulations stipulate the sump plugs etc have to be wired to stop them unfastening to prevent oil being dumped on the track, but also useful for stopping bits of classic bikes vibrating off. Made by Loctite.

              Elcarajillo Yup - it’s a wire twister. You grip the wire in the jaws which lock shut, then pull back the large knurled knob that spins the tool and the wires.

                Norvin, you were too quick for me. :-)

                Today’s teaser, what is it ? what is it for

                Is it some kind of sine calculator, or some other compound angle plotter or calculator? Where do you get all this weird stuff! :-)

                  Pantograph device for scaling drawings?

                  Lelit Elizabeth, Niche Zero

                  V60 with Drip Assist, Clever Dripper, Knock Feld47

                  Aeropress, Knock Aergrind