Step 1: 2 Liter Picnic Tap - Materials
2 1/4 inch ID barb tubing splicer
#2 rubber stoppper
2 liter bottle cap
About 18 inches of 1/4 inch ID stiff tubing
Several feet of 1/4 inch ID clear tubing
23/64, 3/32, 9/32 drill bits
All of the above can be gotten at a Lowes or similar hardware store. Home Depot does not carry the rubber stopper.