bottle cutter

this video is to demonstrate what i used to create a very privative easy bottle cutter that anyone make. if you wanna see the polished version of this unit please let me no in comments and i will set up full podcast of it.
Nickel wire was pulled from old heat gun
cracked fire brick from my fire place
some rollers from very old printer
some Styrofoam to hold fire brick in place.
and old ac cord from a radio player