Islander trailing edges I have seen some crackers.
If you haven't seen them they are thin skin which ends in corrugated end to the skin without any rounding out or anything, leaving it with all intents and purposes as a crinkle cut potato cutter.
Thankfully I never did it but boy they can draw some blood!
My own was on the works machine and while standing up after checking the nose gear to makes sure the gear pin was out I brushed the pitot tube while standing up with my shoulder. Didn't think anything about.
Next approach I felt something pulling at my back and pulled my shirt. Their was a ripping feeling and then loads of fluid dribbling down my back. The Pitot was on when I had brushed it and had melted the cheap uniform shirt we had been issued with. The ripping had been the blister which was attached to the shirt coming away. Took about three months for it to heal properly.