FIXED BACK CROWD GATES These Crowd Gates have fixed backs. There is no section of the gate that will allow movement through the gate. ROLLING BACK CROWD GATES The Rolling Back Crowd Gate has a section that is on rollers. This allows that section of the gate to be opened to allow movement through the gate. SWING BACK CROWD GATES The Swing Back Crowd Gate has a section of the gate that is on hinges and will swing to allow movement through the gate.