Peep Nippler

Step 1.  Get everything you need 2liter bottle, chicken nipple, plumping tape, and wire/rope.
Step 2. Get the following tools needed Drill, 3/4 drill bit, 21/64 drill bit, and a bit just bigger than your wire or rope.
Step 3. Drill 3/4 in hole in bottom of 2liter for filling.
Step 4. Drill 2 small holes across from each other about 2 inches down from bottom to place wire or rope threw for hanging later.
Step 5. Drill 21/64 hole in the cap.
Step 6. Wrap chicken nipple with a little pipe tape and screw into hole.

Dirt free cheap water for peeps.