As identical twins and entrepreneurs Carrie Salmon and Tori Deely prepare for the Christmas rush, they are giving thanks to some semi-mythical figures. No, not Santa and his elves but the BBC ’s feared multi-millionaire investors, the Dragons. The sisters, 42, from West London, may not have raised the investment of £60k for 35 per cent of the business that they had hoped for when they appeared on Dragons' Den in April, but they have been stunned by the impact of simply being one of the show’s