what do you think of this stool?  

I think it looks painful
colonoscopy anyone?

Very clever
I like the idea. I think it's even kind of funny when not being used. Might look like you have a tail. Of course, it's only really useful to sit on hard surfaces. If you tried to use it in a park, you'd sink into the grass with that small of a foot.

Spoken
like a true designer !
Even more minimal than a seat cane -- and certainly more than Tage Frid's little tripod stool.

if you get
one the you will be needing to get a Cow.
My friend in Denmark, Bent, always wore one when milking and therefore I see no reason for wanting one unless you have a cow!
Sorry no pun intended.
Maybe a redsign to merge the milking stool with the walking stick to create a new less obvious design that would always to at hand could be thought of?

Perfect for the long dole que
Or camping trips!

A tremendous amount of...
A tremendous amount of design has gone into dairyland over the past fifty years, making the milking stool almost obsolete, if not antique.
I suppose you can find folks occasionally still on stools in Wisconsin or Nebraska these days, but for the most part no stools are necessary, one-legged or three, just high-tech modern milking machines and good old teats.
This one pictured could come in handy at a good dorm party, when all the best seats have been taken, not to mention being a nice conversation starter ...
got, milk.

You could knock at leat 5 dri...
You could knock at leat 5 drinks over and start a few fights! It really needs to ....retract 🙂

LOL
looks like an industrial sex toy

Retract?!!
Ouchie.