200 plays on a wristband?!? Why some NFL QBs wear play sheets on their wrists and others don't

Some QBs like the way wristbands speed up the process, but others, such as Dak Prescott, don’t want to lose eye contact.
Source: ESPN Football News
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200 plays on a wristband?!? Why some NFL QBs wear play sheets on their wrists and others don't