The weapons Jet use are known by a few names: hook swords, twin hooks, tigerheads, or tiger blades. They are three weapons in one: a long pole with a hook at the end, an arced blade above the fist, and spearhead beneath the handle.
This is the first appearance of Jet and his crew.
This is the first appearance of Katara's waterskin.
Sokka is seen using a jaw bone blade. Jaw bone blades are a traditional weapon of some Plains Tribes in the United States.