Sabre-toothed tigers had almost comically excessive bites: these felines could open their jaws at a snake-like 120-degree angle, or about twice as wide as a modern lion (or a yawning housecat). Paradoxically, the various species of Smilodon did not chew their prey with great force, as they had to protect their precious canines from accidental breakage! Keychain dimensions: 5.5 x 2 x 3 cm