Technical another model a wood question

hi again , hope you guys don't grow tired of questions , this time it a easy one , on each rear corner on my 30 model a tudor there is a curved piece of wood about half way up , I can see the row of bolt the holds the very rear panel on theres a light bracket to hold it in place now what holds the other end I don't see any hole where a bracket would fit , I'm stumped thanks guys

 

I see from another post the front of the curved piece attachs about in the lower corner of the side back windows but how