I'm actually trying the serrated version, I found the serrated part useful for some tasks, anyway I can live with or without...I mean it's just matter of habitude.
Enjoy the following videos - just remember hunting with traps is forbidden here in Italy and in most of Countries, so do the same to have fun and improve your survival skills, not for hunting animals where is forbidden.
Enjoy your Bushcraft!
Figure 4 Deadfall Trap
Paiute Deadfall Trap
Promontory Peg Deadfall Trap