One of the better vids I have seen in recent days!
As I do not tend to carry glycerine or anti-freeze with me into the woods (well - not often...) I prefer the PP and sugar method
PP is in a selection of my FAKs and medikits... sugar is an essential for my brews....
I used to demo the PP&G method by getting the "Fire" class's attention then putting the PP&G into a screw of newspaper then starting the talk on the basics of fire... I got it down to a fine art of timing and could call on the paper to burst into flame "on command"
Jump leads and a "doll" made of wirewool, paper and a covering of cotton was always good for a laugh as well!