You may not to watch this before you go to sleep. I don't think most people would appreciate this fellow barging into the bedroom.

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You have probably seen dogs, cats, monkeys and maybe other animals learn tricks like opening doors. None of those animals would scare you as much as a snake. Snakes are the most feared animal according to recent surveys. If I had this kind of door knob in my house... I would think about switching to the old fashion round type. You never know when a big yellow snake might come calling.