Do Glass Breakers Even Work? | Breaking Windows With Knives For "Science!"

Glass breakers on knives come in all shapes and sizes but what we wanted to know if they actually work.  Come hang out at the junk yard with us as we break a bunch of car windows and find out if you actually need a glass breaker on your knife!

0:00 Intro
0:22 Types of Glass Breakers
1:39 Glass Breaking Principals
3:29 Be Prepared and Get trained!
4:00 What Would I Chose?
4:30 Glass Breaker Alternatives
5:50 Can You Just Use Your Knife?
7:32 Outro
7:39 Extras!