"What is this oval metal tool(?) found in a box of sewing and craft supplies?"
A: "It’s a handle for carrying books, but it’s missing the straps"
Holds fruits/ veggies to be sliced on a mandoline food slicer.
https://www.walmart.com/ip/WALFRONT-Mandoline-Slicer-Vegetable-Cutter-Chopper-Di
cer-Onion-Pro-Kitchen-Potato-Food-Cheese-Veggie-Cucumber-5-Interchangeable-Blade
s-Peeler/599823618
em_about_the_right_size_to/
ball(s) scratcher.