The Official Online RBS 6 Nations Store is open. The store has everything you need to get behind your team during the RBS 6 Nations, plus the store is now fully stocked with a much wider range of rugby merchandise.
Former skipper Mike Blair takes his place against Japan, with the Scotland squad flying out to Argentina on Friday.
However, Robinson insisted that at this stage he still expects Cusiter to make the flight.
Flanker Alan MacDonald is also out of tonight's game with an abdominal injury and he is, similarly, in a race against time to make the tour.