This tiny inkless pen is made from a special metal alloy that can literally write forever - Yanko Design

The Inkless Metal Pen: Alloy tip never needs to be replaced

Buoy oh buoy! - Yanko Design

This tiny pen writes forever and even doubles as a multi-tool! - The Gadgeteer

Outus 4 Pieces Metal Inkless Pen Everlasting Pencil Infinite Write Pen with Eraser Aluminium Pencil Metallic No Ink Signing Pen Kids Adults Office Home School Supplies : Office Products

2 Pieces Metal Inkless Pen Inkless Erasable Pencil Metallic Pencil Aluminum Pencil for Writing, Drawing, Drafting, Home Office School Supplies (Black and Silver) : Office Products

This wearable tape-dispenser can help correct Braille typos and misprints - Yanko Design

Made from silver and metal alloy, this ergonomic pen surpasses the regular wooden pencil with its ink-less design! - Yanko Design

Inkless magic: the pen that never runs out

A Swiss-made 'Apple Watch' without a screen… or hands. - Yanko Design