| 摘要 |
A protective insole comprised of chain mail which is placed in between the lower and upper soles of a construction boot, thereby preventing nails or other sharp objects found on construction sites from penetrating the shoe and causing painful injury to the worker. The insole is preferably rubberized as to provide comfort to the user, and is melded in between the lower and upper soles of the boot. In an alternative embodiment of the invention the chain mail insole is fabricated as a separate, removable sole that is rubberized and placed in the boot itself.
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