| 摘要 |
A key ring apparatus is designed to provide visual evidence of tampering. The key ring apparatus includes a main loop member having adjacent end portions with substantially equal diameters. The key ring apparatus also includes a hollow tubular sleeve that receives the main loop end portions, and is crimped into place thereon after keys have been placed on the main loop member. The tubular sleeve may have a pair of crimping indication indicators thereon, to show where to crimp the sleeve onto the main loop of the key ring apparatus. One or both of the main loop member and the sleeve may have a unique serial identification number thereon.
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