Model Cara Delevingne walked down the Fendi runway in 2014 and captivated the audience’s attention with more than her outfit -- by her side, Delevingne carried a furry Karl Lagerfeld keychain. According to The Guardian Fashion, this keychain started a pom-pom trend, seen by colorful, fluffy balls attached to keys, purses and backpacks.
These ball range from a...