They don't work against people who know the game though so they are not worth trying on people.
Opening Checkmate Tricks

That first one isn't a puzzle.
1. You shouldn't play a move based on a mistake your opponent might make.
2. c5 has the same effect.
The second is just ridiculous.

I've done that first Caro Kann trap in #5, but it make you feel dirty playing Qe2.
I've won with this. Wouldn't really call it a trap though:


Show opening mateing tricks!