Answer:
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
What is full of holes, but can still hold a lot of water?
Whilst I was engaged in sitting. I spied the dead carrying the living
What I am filled, I can point the way. When I am empty. Nothing moves me. I have two skins. One without and one within.
This only turns over once you have travelled very far. What is it?
When is it bad luck to see a black cat?