Triumph Stag 1971 Mk1 3.0 V8 Engine finally Runs so next step sort the rear Brakes on this Classic

My Barn Find Condition 1971 Mk1 Triumph Stag 3.0L V8 Manual has been sat for too long so out the Barn she comes and I am going to give her a week or 2's worth of attention...

Proof she starts and onto the Rear Brakes...

Come have a look at her