They focus into an image, a brightness and a glass and... Urushi / Japanese lacquer.
Taking the sparkle of the prism to a table.

The chopstick rests made of Urushi glass are commercialized from the brand "Hyakushiki" / Maruyoshi Kosaka Wood & Urushi Works.
It called SARYO from a prism in Japanese, and there 2 size for chopstick and for cutlery.

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像を結ぶ、光と硝子そして漆。プリズム（三稜鏡）による優美な演出を食卓へ。
漆ガラスブランド『百色/Hyakushiki』 丸嘉小坂漆器店にデザインをした箸置き。 

名前をプリズムの和名から三稜/saryoとし、サイズも2サイズの展開です。