Following are some examples of different master/child setups:
Set up Master with Clawback all Unders at Historical Rate
Set up Master with Clawback All Unders Overs at Current Rate
Set up Master with Clawback Open Unders and Overs at Current Rate
Set up Master with Clawback Open Unders at Current Rate
Set up Master with Meters with Different Periodicities
Set up Master with Multiple Black with A3 and A4 Meter and Min Volume
Set up Master with Multiple Child Contracts
Set up Master with Multiple Children and Minimum Volume
Set up Master with Multiple Children with Different Black Rate
Set up Master or Standalone with Free Pages