[GrimShady]

Check this out.

 

[Gorey]

Explosive mixtures...pushah!

Good thing fitco went out of business, or it would be in stores for 79 bucks.

 

[Deathly]

Check this out.

YouTube - Vortex Cannon! - Bang Goes the Theory Preview - BBC One

Cool but this was already posted last week:

http://www.halloweenforum.com/halloween-props/79264-magnum-vortex-cannon.html