cayman
(cayman)
61
It is widely described and sold as a “nail file pattern” on the handle:
https://www.fasttech.com/product/3405702-authentic-sanrenmu-7010lui-sh-stainless-steel
I don’t think anybody would use it for that… but that is what it is 
This is what I love about Asian product design/engineering and manufacturing… they come up with ideas that really stand out.