The hatchet is a very commonly seen weapon in the Hunger Games. Essentially a miniature, one-handed axe, it is very popular with District Seven tributes, and with tributes who don't have the physical strength to wield an axe. In the 25th Hunger Games, Jonas Emerson retrieves a hatchet from the stomach of a muttated ferret. He later uses to kill Juniper Harris .
The hatchet is a very simple weapon to wield because of it's light weight and sturdy blade.