Mug and coaster in one - photo

[Jon]

Mug and coaster in one. I don't know; I usually don't use a coaster anyway. Precarious? Prone to dripping water down the coaster when it's used, because the coaster surface is not absorbent?



Previously:

Beer mug transporting trick - GIF
Bottoms Up reverse draft beer cup filling system - GIF and video
Flip out automotive cupholders - GIFs
Plastic cup manufacturing GIF

[PJs]

And a bit fragile to wash I bet. Elegant looking though...probably not functional.