One time on Usenet, Pixmaker > said:

> I'll try this he
>
> I've always thought that PAM and similar products are nothing more
> than vegetable oil in a spray can sold at an outrageous price.
>
> Is there really any more to it than that?

Nope, they're just oil and propellant in a can. More of a convenience
than anything else. That, and portion control -- it's hard to overdo
the oil if you're using a spray can...

--
Jani in WA