College Baseball Was On the Clock and Chose an Electronic Wristband
Prohibition of jewelry removed in high school baseball rules
Brian Wilson (baseball) - Wikipedia
MLB approves use of electronic pitch calling - The Boston Globe
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Not only is this convenient, but it also increases chances of winning the game and improving both your and your team's performance. The wristband is designed to fit adult players of any sport including but not limited to: basketball, lacrosse, soccer, different variations of football, rugby, etc. Our playbook wristlet is made of cotton and spandex and built for durability and comfort. The velcro portion ensures that it remains on your arm.
Edge Sports - Wrist Coach- 3 Sheet Wristband Playbook - Perfect for Football Plays, Softball Signs & Baseball Calls
Pitcher-catcher communication system tested in Minor Leagues
Baseball, softball coaches opting for wristbands instead of traditional hand signs
Previewing Wake Forest's College World Series bracket - Blogger So Dear
Is Pitch-Calling About to Completely Change? - Bleacher Nation
TCO Plymouth Welcomes Community to Grand Opening Celebration