Not a rifle to be confused with a dating game.
Round 116 -- Weapons -- Xyvol
Clue 2: Two of a kind...and stuck.
Kids shouldn't play with these...and no techs can be used.
The Japanese might have invented the first one, but the design was separately invented in Europe and also widely used in the colonial U.S. before the introduction of a "snappier" model.
^_^
I knew somebody would get it.
That took a lot of research, and I still didn't get it until I looked back at the clues and the word "match" suddenly connected with "kids shouldn't play with."