When you're in your mancave or garage working on whatever project it is you're working on, chances are beer and chew will be involved. The trouble is that you soon start spitting into a beer bottle. The last thing anyone wants is to drink from the wrong bottle. So, a very quick, very easy deterrent is a bottle marker.
Step 1: Tools and Supplies
Ok so just a few things are needed:
Step 2: Drilling
Drill two hole in the bottle cap, side by side.
Step 3: Thread the String
Thread the string through both holes.
Step 4: Add to Bottle
Put the Marker on your non-beer and NEVER have a bad night.