I was about to make my first overnight test today when i discovered the folowing ...
My Blackbird hasn't been in the trees more than 4 times and i haven't even slept in it once but the reinforcement is tearing out of the seams.
The seam is fine it's just the black patch tearing out of it..
My body is pretty much UL at 70kg (174pound) and i have not tried to jump around in it or anything .. Only user error i can imagine was when an insufficient knot let me slowly to ground level when checking it's 2person potential (second person wasn't heavier than me though and it was a slow decent not a crash..
What could be the culprit?