Usability or ergonomic?

Fun Eating With The Original Spaghetti-Pasta-Noodle Fork. This is project

Inventor Bob Balow demonstrates how to use his invention, “The Original Pasta Fork.” Sliding fingers down the long spiral handle makes it rotate around the center prong of the fork, thus winding the spaghetti onto the fork.

Murilo Lima

What do you think about post?