The Most secure Barbell Ever Made! Patented three-D barbell movement supplies for a virtually limitless array of workout routines. Smith Machines transfer vertically best! The Jones actions each vertically and horizontally, taking into account a extra herbal, person-outlined movement. Since the frame’s herbal actions can be used, all unfastened-weight workout routines can also be carried out. The Horizontal movement will also be locked for typical “smith system” kind workout routines.