Scrimming
Scrimming was once an integral part of yarndling, often performed in basins. Hence scrimming basins. These basins are now sometimes replaced with octagonal dry beds, or simply not used at all. The irregular rim of a scrimming basin can be described as having a quality pertaining to kedding. Basins were usually situated next to a threading plantin and/or a vertical knapper. Nowadays, they can be seen more easily from the air.