This video is stark a reminder that, though a poisonous snake’s head may be severed, it still has plenty of life (and venom) left in it to kill. It will even bite its own writhing, headless body–as you can see in this video that’s rapidly going viral.

In case you didn’t know, if you come upon a snake’s head in the field, stay away. If you are put in a position where you are forced to dispatch a poisonous snake in this manner, remember that the nerves in the head can still cause the fangs to instinctively latch on to anything that comes within biting range. Be sure to take precautions so the next person to come along doesn’t become the snake’s last victim.