I Spit in it too! 
Back in high school, a friend used to resort to breathing into a newly purchased bag of chips like a hyperventilator uses a brown paper bag because people would otherwise nick all of them.
http://www.passiveaggressivenotes.com/2009/05/03/spit-vinegar/

Back in high school, a friend used to resort to breathing into a newly purchased bag of chips like a hyperventilator uses a brown paper bag because people would otherwise nick all of them.
http://www.passiveaggressivenotes.com/2009/05/03/spit-vinegar/