10
Then right it slowly up, while the clips
interlock.
When the cross rib sits upright, clip in the
seat bars on the back side of it. (see
picture below)
Note: If this is hard to do, slide the seat
cloth as far as possible towards the bow
Then take the open cross rib for the front
seat (#4 in the part overview).
Clip it on both sides to the seat bars.