Assembly 1. Pass the plastic rigid piece by the cord previously passed by the central nylon strip eyelet. 2. Insert the rigid piece through the central leather keeper of the girth, which is joined to the protector. 3. Pull the rigid element to let the nylon strip cross the central leather keeper. 4a. Superimpose both bodies to make the Velcro® pieces match together. 4b. Insert the tabs of the upper body in the lateral leather keepers of the underneath part. 5a. Bring the female ending of the central screw in the body of the girth which is matched to the protector. 5b. If you want to keep the rigid piece joined to the girth, attach the cord to the eyelet of the fastening nylon strip then put it inside the central leather keeper. 6. Place the upper body of the girth and insert the male ending of the screw to fix both parts of the girth. Screw with the help of a coin or screwdriver. 7. Attach the strap from the trapezium to the buckles and adjust its lenght according to the instructions to the section “Adapting the adjustment straps”.