Please find some video tips on how to use the Cutting tool:

How to prepare bottles and make cutting easier:

How to prepare plastic bottles for cutting with Bottle Cutter Tool

How to turn a v.3-v.5 Cutter Tool from transportation into working state and start cutting:

This video is for ver.3 of PetBottleCutter (which is curently sold), for previous versions please scroll the page down.

OTHER VIDEOS:

Plastic rope is firm and has great heat shrink properties! Just check the video

Other ways to use plastic rope and band

In this video you may see the v.1 of the Cutter tool.
It is already a v.5 on sale, but using it is pretty much the same.