When you put the belt on, how do you do it? Rolling the belt on the pulley the way you would a chain on a chain ring is a major no-no.
Twisting of the belt can break the internal carbon fibers. I learned that the hard way.
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You could fall off a cliff and die.
You could get lost and die.
You could hit a tree and die.
OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.