Leon Fisk writes:

On 29 Nov 2017 12:32:30 -0400
Mike Spencer wrote:

The shelf would have held a "caulking block", a steel brick with
acute-angle grooves, used to support a freshly caulked shoe, caulk
down, when hammering on the hoof side.

I think that's it. Try these direct links to the static images:

https://instagram.fdet1-2.fna.fbcdn....36649472_n.jpg

Yes, that's caulking vise, specialized for forging or welding
horseshoe caulks. Never saw one used by a proper farrier for its
proper purpose.


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Mike Spencer Nova Scotia, Canada