Steel studs are studs made of steel. Player can make steel studs with the smithing skill using a steel bar and a hammer on an anvil granting x (unknown) smithing experience.
Steel studs can be used on a leather armor (not hardleather) to make a studded body or on a piece of leather chaps to make studded chaps.
The studded armors are stronger than hardleather. Don´t be confused with the look on the armor to think it is made by using hard leather
LEMONS IN SKULL!