String Doll World - Harley Quinn & The Joker - String Doll Keychain String String Doll World Keychains Each doll is a high quality Handcrafted voodoo String Doll keychain Eco-Friendly, made from string and recovered textiles and beads. Comes with Keychain attachment for use as keychain or hanging ornament Colour and design may vary slightly due to handmade nature.