It must never be employed when the skin is abraded.
Nubuck Aniline dyed leather which has been lightly abraded on the grain surface to create a velvety finish or nap.
These are generally broken and heavily abraded as may be expected in a river transporting coarse gravel.
The pottery collection consists of quite small pieces, and all were very abraded.
Sherds of Roman pottery were recovered from most contexts but all the sherds were much abraded and likely to be residual.