It marks the origin of the pen knife. Before 1850, the process for vulcanization of rubber had not been discovered, and the only way to correct a writing mistake was to scratch the ink off the ...

She also said demand for glass pens took off again as items of cultural value featuring the beauty of Japanese traditional craftsmanship. The pens are made manually, one at a time.

An curved arrow pointing right. Traditional Japanese calligraphy ink, referred to as sumi ink, comes in a solid form. It takes at least four years of production before these ink sticks can be sold ...

The Think Ink Pen is designed for people who fidget. It flexes with spring-like resistance, has a magnetic ball for sliding, and a spinner for your thumb to roll around. Think Ink was fully funded ...