You'll find three words that sum up the Preston upholstery maker Tetrad: one of a kind, eccentric and British.  They're not keen on churning out sofas and chairs, but are constantly experimenting with some thing different, but, Now and again, they think of a blinding winner: their Harris Tweed collection. https://tetrad-sofas45667.thezenweb.com/the-best-side-of-supremo-garden-furniture-74861531