This week KFC made headlines with the announcement that the U.S. restaurant is introducing edible nail polishes to its Hong Kong clientele.

Exploiting the brand's famous slogan "Finger Lickin' Good," the polishes, which come in two different flavours, are designed to taste like the KFC chicken recipes for "Original" and "Hot and Spicy." According to Racked, the beauty items will be fabricated from natural ingredients, with the most popular flavour being put to the public vote with a view to it being mass produced.

In April 2015 Burger King made a surprise assault on the perfume market in Japan with the launch of its "Flame-Grilled Fragrance." Designed to imitate the meaty aroma of the chain's Whopper Burger, the limited-edition product enabled wearers to carry a constant reminder of the fast food outlet.

Last Spring also saw fast food giant McDonald's team up with Parisian fashion concept store Colette on a limited-edition clothing and accessories collection featuring the fast food chain's most iconic products. The Big Mac, the Happy Meal and the Sundae formed the basis of the capsule collection, which comprised tees, bags, scarves, phone cases and notebooks bearing pixelated designs.