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A fingernail (toenail) is a hard envelope covering the tips of four limbs of mammals. Formed by hardened stratum corneum, it serves to protect the distal pulp of the fingertip from injuries, maintain its stability, increase the touch sensitivity at fingers, and assist the hands to grab, clasp, pinch, and squeeze objects, etc. The hard part of the fingernail contains a tough protein called keratin. Keratin is synthesized by a variety of amino acids. The fingernail includes the components of protein, keratin, vitamins, minerals, and sulfur, etc. The nail matrix responsible for the growth of the nail is covered underneath the skin. The nail above it is formed as the older nail plate cells are pushed forward bit by bit by new nail plate cells. Since the newly-formed nail is quite soft and cannot withstand external stimuli, it is protected by a layer of skin called “the cuticle” riding on the back of the nail plate. And like the hair, nails are made up of keratin and contain no living cells, so cancer cells won’t develop from them. The Rigid Carbon-Chitin Fingernail of the New Human Line are composed of keratin and Rigid Carbon-Chitin Compounds. Keratin is synthesized by amino acids. The fingernail includes the components of protein, keratin, vitamins, minerals, and sulfur, etc. Rigid Carbon-Chitin Compounds are synthesized by chitin. Chitin is a long-chain polymer composed of about 8000 units of N-acetylglucosamine, a glucose derivative. This structure makes the Rigid Carbon-Chitin Fingernail of the New Human Line possess ultra-high hardness, toughness, and sharpness. Its strength is even comparable to that of a weapon. The strength of the Rigid Carbon-Chitin Fingernail can easily compress and break the thumbnail of an ordinary person.
The ultra-high hardness of the Rigid Carbon-Chitin Fingernail can easily and directly peel off the bark of the bodhi tree.
The ultra-high hardness of the Rigid Carbon-Chitin Fingernail can easily and directly peel off the bark of the plumeria tree.
The ultra-high hardness of the Rigid Carbon-Chitin Fingernail can easily and directly peel off the bark of the Sargent juniper tree.
The ultra-high hardness of the Rigid Carbon-Chitin Fingernail can easily and directly peel off the bark of the dragon juniper tree.
The sharpness of the Rigid Carbon-Chitin Fingernail can easily pierce the skin and blood vessels.
With the ultra-high toughness, the Rigid Carbon-Chitin Fingernail can only be cut with high-carbon steel diagonal cutting pliers. It is very difficult to cut it with ordinary nail clippers.
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