Coughton Court still has the coat (or a modern facsimile). Sheared dyed, dried, spun, woven and tailored in 24 hours, for a wager. Throckmorton Coat & here too. A modern song by Bryn Phillips
song - the Throckmorton Coat at an event to re-create the "coat in a day" wager.

the Portway Pedlers used to sing a different song with a chorus "how do you like my blue". Their son was director of Chippenham Folk Festival until last year. Can't find the lyrics.

& my song Knittershanty first on list.