KONG Dragon Knots ? Internal knotted rope satisfies natural instincts ? Big squeak for big fun ? Minimal stuffing for less mess KONG Dragon Knots are a whimsical addition to the Knots collection. The realistic feel of the internal knotted rope, big body squeaker and crinkling sound of the magical wings get pups geared for play and satisfies dogs? natural instincts. The strong rope knot tug toy has minimal stuffing for less mess and charms with long-lasting fun.