Cong Tian
From Circopedia
Slack Wire
Slack Wire: A Tight Wire, or Low Wire, kept slack, and generally used for juggling or balancing tricks.Tight Wire: A tight, light metallic cable, placed between two platforms not very far from the ground, on which a wire dancer perform dance steps, and acrobatic exercises such as somersaults. (Also: Low Wire)Trick: Any specific exercise in a circus act.