The Probert Encyclopaedia of Costume

YOKE

In costume, a yoke is an integral portion of a smock, forming the upper part of the garment, usually fitted across the bust and around the back between the shoulders, it is pleated, gathered or plain and supports the rest of the garment. The term also applies to an oversized waistband of a skirt from which the rest of the skirt hangs.
Research Yoke

YSGREPAN

A ysgrepan is a Welsh form of sporran. Traditionally the ysgrepan is made from local goat leather and ordained with horse hair.
Research Ysgrepan