Install a Vinyl Headliner in a Vintage VW Beetle

Here are some tips to instal a headliner in a VW beetle.
 Things you need (and to do)
1) wash your hands!
2) make sure you have everything you need. once you start it's not impossible to take a break but it's probably not a good idea
3) a hair dryer is handy for smoothing out wrinkles and making the material stretch
4) scissors
5) a utility knife