The shoulder of a pig is a muscle of locomotion and so it is not as tender but far more flavourful than muscles of support. Cook the shoulder muscle roasts on low temperatures for long periods of time.

The Butt
The butt of a pig is on the shoulder not the rear end. The word butt is an old English word meaning wedge. The shoulder butt refers to the neck muscle which is wedge shaped.

The kitchen at Townsend would most likely serve beer or cider with dishes made from the shoulder