Imagine that brew-day rolls around and you find yourself without an airlock for your carboy or bucket. 

**What other things can you use in it's stead?**

Further imagine that you do not have the materials for a blow-off tube. Touch on infection risk and what to do if you also do not have a stopper.

Inspiration for this question goes to [WhatsBillDoing](http://twitter.com/whatsbilldoing/status/8677928235).