The first time I saw it I was baffled.
I thought maybe you shove a cucumber through it and get it all decorated with grooves or something. Or cutting a banana? For some reason I was stuck on the image of a long, somewhat cylindrical object. It made sense to me that you put something into that hole and cut it with those pointy little teeth. But what?
This time I asked my mother-in-law. I was not going to be out-sleuthed by NattyBumpo again! lol
So here it is in use:
Just never mind the whole fact that the egg was supposed to be soft-boiled... and it was hard. The gadget totally works! And that's what's important tonight ;-)