The regular spring-model of cloth that most programs use will probably fail
doing what you want. The material will have to be "stubborn" to change form.
However, I think it's fairly easy to change the mathematical model of the
cloth to get this working. I think it's very good for getting bumps in cars
and thin metal plates/sheets.

<rant>
Breaking glass, shredding cloth and other things will require breaking up
connections/springs when they stretch too far for too long. We'll need to
take time into account here because probably there are many peaks of pulling
force during the simulation, especially when the 'regular' first order
methods are doing the mathematics. Using Runge-Kutta will make the model
much more stable and this probably results in a much more gentle behaviour
of the particles and the springs.

</rant>

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