Fletching contact is a serious problem . I've had trouble even with a zero effect , more on bows with short brace heights . Best to shoot cock vane up , and I use feathers they are much more forgiveing of contact . You may shoot well and avoid contact but tourqe the bow slightly say when you get the shakes shooting at a big buck and contact will rear its ugly head . This has to be the number one tuneing problem followed closely by mismatched spine .

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