Efficiency Production, Inc. – America’s leading manufacturer of trench shielding and shoring – is proud to unveil two new innovations for their Universal Slide Rail Shoring System: a new Ground Quick-Release™ Shackle that eliminates the dangerous and cumbersome task of manually removing shackles from the top of Slide Rail posts with a ladder after they are installed; and new adjustable Barrier Posts and Guard Rail that provide fall protection for open excavations shored with Slide Rail.