I feel like you're on the right track. Given how it can be adjusted pretty small, caps too, not just jars. Maybe try it out the next time your glue bottle or fiberglass resin cap is bonded in place.jar opener?
Made in Japan
You are correct, sir! Taiwan. Jar opener makes perfect sense. Given my recent decline in dexterity and grip strength perhaps I shouldn't be ridiculing the poor thing.Looks like it's stamped Taiwan
And Google Lens returned jar opener.
My wife has a similar one for opening jars. From your description, used to open these jars?Does anyone know what their intended use is?
Interesting that the lower jaw is so much narrower.
Made in Taiwan from an alloy of similar hardness to a nice, aged Parmesan.