PVC pipe repair - GIF

PVC pipe repair.

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Previously:

Fitting a PVC pipe elbow - GIF
Fixing a broken PVC pipe inside a wall - GIF
Improvised PVC pipe hole cutter - GIF
Manufacturing PVC pipes - GIF
PVC wye drill dust collector - GIF
Simple PVC pipe cutter - video

So - how do I damage my pipe like that and where can I buy the repair piece?