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Animation advice needed
My next question deals with animating and deforming a portion of a model.
My client sells a pluming plug which you cut the nozzle off to drain it..then you use screwdriver to break the plug (its a breakaway design), it collapses, and you pull it out.
I have modeled the plug which is here if you want to see what I’ve done.
https://www.pixelspowerandlight.com./plug.c4d.zip
I have modeled the plug as a group of 4 parts.
I need to make the plug pry tab break away as part of my animation.
here is a picture of how the plug collapses and breaks away.

I would like suggestions on which method of animating this I should use. A deformation or an IK chain or something else.
I would also like advice on how to animate “slicing” off the nozzle.