Reverse Canterbury Plain	Plain Bob Plain	Plain Bob Bob	ab	ba
Brigstock	Brigstock	unnamed	unnamed	unnamed	unnamed
Bradford-on-Tone	Bradford-on-Tone	unnamed	unnamed	unnamed	unnamed

Each row shows the effect of using various calls for one method. A Reverse Canterbury Plain is the standard call for each method, then the other calls give different variations.
Click here to see the blue lines for Brigstock and Bradford-on-Tone, on which all these variations are based.