Cam timing! Those stock strings on Reflexes (most bows actually) just suck! My XP's cables kept creeping and creeping. They wouldn't stop even after thousands and thousands of shots. I did get pretty good at timing a hybrid after that, though. I put a set of ProStrings on and no more timing issues. I only made one adjustment after about 10000 shots or so and none since....another 25000. Just tell him to get a decent set and the noise and tuning issues can all but disappear.
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