| 摘要 |
This invention pertains to a novel waterproof locking wriststrap which is useful for personnel identification and admission control to amusement parks, waterslide parks, and other admission charge crowd related activities. A wriststrap comprising: (a) a strap which has at one end thereof one or more protrusions and at the opposite end one or more grooves, which protrusion and groove are adapted to mate with one another in an interlocking relationship, the end with the groove having therein at least one opening; and (b) a lock which can be moved into place over the protrusion when it mates with the groove, the lock having therein tangs which are adapted to extend into the opening of the strap.
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