throughsmiths
Throughsmiths, also known as through-slitting smiths, were a type of blacksmith who specialized in the production of through-slit nails. These nails were used in the construction of ships, wagons, and other large structures that required strong, durable fasteners. The throughsmith's role was crucial in the pre-industrial era, as nails were one of the primary means of joining wood together.
The process of making through-slit nails involved heating a piece of iron until it was red-hot, then
Through-slit nails were preferred for their strength and durability, as the slit allowed the nail to expand