Space saving waterer...The waterer joints are sealed, Atmosphere pressure prevents the water from running out. The cap kinda acts simular as your thumb on the top of a straw. You have to hold it horizonal to fill. The keyhole system makes it easier to take it down than bungies, wire, etc.
How to Make a Chicken Waterer Here's an easy and super cheap way to make a chicken waterer. You can possibly make it for free, using all recycled materials. (I made mine for $1.00 because I found a cake pan at a dollar store.)