Eboya Natsume Tanshin Large SizeEbonite, crafted from natural rubber and sulfur through a precise heating process, offers a uniquely comfortable tactile experience, reducing hand fatigue during extended writing sessions. These pens are fashioned from a distinctive marbled ebonite, each meticulously handcrafted to ensure no two are ever identical. This results in a simple, smooth form complemented by a flat top cap. Inspired by the "NATSUME," a tool used in traditional Japanese tea