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Re: polycord and yellow belt
We love our poly cord, we don't have a problem with walking, maybe once or twice at max (were using custom rollers with grooves cut in them) and the welds are strong as can be. We did a test weld to test its strength (put it in a vice and pulled on it) and it was amazing, after 3 students and a mentor pulled on it, all it did was stretch.
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