the.com/fang
the original syringe, perfected by reptiles millions of years before anyone thought to sterilize it
hollow designViper fangs are folding hypodermic needles made of bone
constant regrowthSharks shed and replace teeth their whole lives
word rootComes from Old Norse meaning to seize or grasp
venom deliverySome snakes inject venom through grooves, not tubes
folding mechanismRattlesnake fangs rotate flat against the upper jaw