You Can Store More Ink In These Spiral Ballpoint Pens

From the pages of "my-god-it's-so-simple-why-didn't-I-do-that-first" comes these spiral ballpoint pens, which hold double the amount of ink in their tightly spiralled coils. But let's do the maths. Are these going to save our fine planet from drowning in landfill? Let's look:

Uh-huh, so far so good...

Ah yes, I see! I can also anticipate even more running-out-of-ink fun, when we attempt to warm up the cartridge to get the ink flowing again, by rubbing it between two palms. Eco-friendly and fun. (I probably need to get out more, I know.) [Yanko Design]