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Mad Grit causing survivors to not be able to wiggle once bar is filled
I'd encountered this bug a couple times prior, I'm not sure exactly how to recreate it. What I do know is that I dropped and slugged a survivor, and picked them up and started spamming grit m1s. I did not hit a survivor as far as I remember, might've before I dropped him. However, I believe i swung at the exact moment he was going to wiggle, and that caused me to no longer be able to m1 but I still could carry him around as much as I wanted. Chose to give him hatch for being subject to this bug, and the second I dropped him it finally stunned me. According to him, the wiggle bar was filled completely, and he continued hitting skill checks (and I was being moved around as such) but he never was able to wiggle off until I dropped him.
Might work without slugging beforehand, I don't know. It's happened me 2-4 times ever.