Braley and Heinz are real nuts and bolts scrum halves, solid and good at the basics, exits, box kicks, organising the forwards and at Gloucester following he key role in attack of just give the ball to Cips.
Vellacott is a more independent SH and attacking threat like Robson and is rumoured to have had a fall out with Cips and also Ackerman along the way over playing style and game plan