ASSEMBLY PROCEDURE
STEP1: Raise the bench body using the fabric belt (19).
STEP2: Lift the backrest (8) and hold the front base frame (1) and rear base
frame (2) to open the bench. Then insert the lock pin (11).
STEP3: Insert the seat lock pin (10) into the seat adjustment bracket (5) and
front base frame (1). The seat adjustment bracket (5) has five holes so you
can adjust the angle. Open the backrest adjustment bracket (6) (on the back