Masalong kni235 Damascus blade aluminum alloy Pen EDC knife 5.4inch for Open envelopes,Tail hammer break window, utility knife, available in the office
Putting it in the office together with other pens can also blend into the environment well. When you need to open correspondence, you can open it with this knife, or you can use it to eat an apple. I wonder if you can think of other better uses?
