Stream The Iron Hammer Online Free – Watch Full Movie from Home at 123Movies. . In this personal and rousing documentary, Joan Chen charts the inspiring life and career of “Jenny” Lang Ping, a fearless and independent Olympic athlete who propels China to international prominence in volleyball. On the court, her most effective weapon is her lethal spike, hence her titular nickname, while her leadership skills and calm demeanor solidify her unique status as the first player and coach to win multiple World Championships and Olympic gold. Chen, in her documentary feature debut, skillfully combines thrilling excerpts from championship games, intimate conversations with Lang Ping, her colleagues, and players to craft an entertaining and multi-dimensional portrait of this groundbreaking athlete who transformed women’s volleyball.