Every time you see one of these cheap doohickeys and wonder "who the hell is this for?" it's always people with arthritis and Parkinson's. They get mass produced and sold to the general public as "time savers" because it subsidizes the cost for the people that actually need them.
Maybe your grandma just isn't in to cooking. Other grandmas are.
This would actually be handy for grandma (or just someone with poor dexterity) to wedge onions or apples without risking injury.
I'll wait for "Something I made in my basement based on something my mother said a friend of hers saw on TV once but it was a long time ago and it's hard to remember a lot of details and can you pick up some gin while you're at the store."
When I was at college in the late 80's my parents shipped me an item called only "TV knife." That was the name on the package, "TV Knife." Like a ginsu knife. It is the best knife I've ever owned, and almost 40 years later I still use it every day and it's sharp AF
Hey! When you saw him you knew it was An Excellent Product!
(actually the stay fresh bags allegedly did work very well despite the hilarious packaging?)
The best part? The actual “As Seen On TV” logo is public domain. You can just put it on anything. They chose to use a knockoff version for the sake of integrity.