This uniform height creates a continuous line across the back and arms, encouraging the upright sitting posture that was highly valued in formal Victorian parlors.

By the 1900s, the term became so synonymous with living room seating in Canada that it was used as a generic noun for any couch, regardless of its actual design.

The 4th Earl of Chesterfield explicitly requested a seat that allowed gentlemen to sit upright without creasing their expensive formal garments.

This traditional method involves pulling buttons tightly through the cushioning to secure the stuffing, which naturally forms elegant diamond folds in the leather.