A staple was the length of one piece of wool from the fleece, and a wool stapler was therefore a buyer of wool staples from the farmer.
The stapler would then sell on the wool to makers of clothing etc.
A staple was the length of one piece of wool from the fleece, and a wool stapler was therefore a buyer of wool staples from the farmer.
The stapler would then sell on the wool to makers of clothing etc.