JOANNA SIMON thinks Thresher and Wine Rack could have been a touch more adventurous with the new Gordon Ramsay slogan, Wines you can swear by': It would have been more in character - surely? - to have had Ramsay saying, "You'd have to be effing mad to buy a bottle of wine at Thresher".' She quickly points out here that there should be a necessary emphasis on a bottle of wine' in this sentence, making reference to the considerable difference in the price to quality ratio when customers take advantage of the ongoing three for two offer..