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National Yo-Yo Museum
Chico CA

YoYo Zone Grip String
Exhibit #1724
ConditionMint in Package
OwnerRick Brough

High-performance yo-yo string with a "grip guard" sleeve to protect your finger from injury during play. At the time, there was a pending patent assigned to this product. However, I could not find if the patent was officially issued.

The blacked out portion on the back of the card read, 800-525-YOYO www.yoyozone.com

Of interest...
Over the years yo-yo makers have tried various methods to alleviate "Yo-Yo Finger" -- the pain caused by prolonged wear of a yo-yo string around your finger. Here are a few variations that have appeared on the market since the early 1980s:

• Doble - Suede finger strap
• Duncan - Swivel-Eze
• Revolution Enterprise - Sweet Loops
• YoCorp - SuperSling, ver. 2
• YoCorp - SuperSling, ver. 1
• YoYo Zone - Grip String
• Ring (1930) - US patent 1864318
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