The majority of the joinery is done with the Domino. The dominos's that join the back legs to the seat and side rails run all the way through the legs. I custom made the dowel, as they needed to be 80mm long. Tenoning the back bars was challenging. However the system I used avoided the need for a shoulder on a compound angle. There was 3 separate glue ups to complete the frame, with the final one utilising a band clamp to bring the front and back frames together.