Nice way to crack some glass...What a fricken retard...
I learned the hard way by filling a beer bottle with water and throwing a firecracker in it...
Shattered everywhere. Gee I wonder what would happen if one of these guys swallowed a firecracker...
Also, in Canada it is illegal to go fishing with fireworks. I am sure these guys would get arrested for doing what they are doing.
After doing some research, I figured out that water carries explosive energy really well.. guess where it gets transferred? Right to the glass.