Amber or tortoiseshell is better for koto nails.

Of course, tortoiseshell is better. The hardness of amber and tortoiseshell is almost the same, but the toughness of tortoiseshell is very good, and there have been tortoiseshell-made zither paddles since ancient times.

By the way, hawksbill turtle

Hawksbill turtle is a vertebrate, reptile, sea turtle family. Generally, it is about 0.6 meters long, and the large one can reach 1.6 meters. There are two pairs of forehead scales on the top of the head, and the upper jaw is hooked and curved. The dorsal horny plates are arranged in an imbricate manner, with a smooth surface and a brown and yellowish pattern. The limbs are fin-footed. The tail is short and usually not exposed beyond the armor. It is aggressive and feeds on fish, mollusks, and seaweeds.

Produced in the Yellow Sea, the South China Sea, the East China Sea and the tropical and subtropical coasts, the tortoiseshell turtle in the Caribbean Sea is particularly valuable, the color is black and yellow, and the golden-yellow armor is yellow (commonly known as the golden armor) is a good product. General thickness of 0.5CM-1.0CM.

This object survived about 50-70 years, pendant shaped like a drop, thickness of 2.5CM, length of 3.5CM, the whole body of the golden yellow and have a sense of transparency, the surface of Japan's national essence of high maki-painted and inlaid with diamonds and inlays. The necklace is made of 0.8 yellow and black tortoiseshell beads, the spacer beads are 18K gold faceted beads, and the whole necklace is made of 18K gold fittings.

According to the relevant text introduction and certification of the tortoiseshell necklace pendant for the world's largest unspliced tortoiseshell, expert introduction of the thickness of the pendant at least tortoiseshell live more than 3,000 years of time can be achieved, the color of the gold armor is a rare collection of the very best!