Tighten a little more to hold in place, but not all the way. 3. Place the end of the seat belt latch between the sleeve parts of the T connector and insert all the way. Tighten the connector to clamp the seat belt in place. Fold the seat belt buckle at the base of the sewn portion of the belt. Insert the buckle side into the other T connector and tighten the connector to clamp it in place. 4 ...