Hopping Vampires

Hopping vampires or Jiang Shi (literally stiff corpse) are undead, and in a state of rigormortis. Those pictured here are rendered asleep from attaching a spell to their foreheads. Those who aren't asleep hop everywhere they go and have outstretched arms. Below is a clip featuring a hopping vampire. But get this: the clip is from the Gods Must Be Crazy III. What on earth?