Oh come on man. No doubt jewelry is vital to performance on the field, but it's not nearly the most important part. Put it this way: only one guy at a time can wear a chain, but the whole team can keep a slogan in their heart...at the same time.
Finally, somebody cut through all this "analysis" and got to the root of the problem. News flash: it's not Xs and Os or Jimmies and Joes...it's slogans that determine success or failure.