Hi,

What I was thinking of was running doubles, trebles

eg
Race 1 Horse A Horse B
Race 2 Horse C Horse D

So Win bet on Horse A,B,C,D and Doubles AC, AD, BC,BD and so on with the trebles.

Win bets could be a percentage of bank, whereas doubles and trebles a flat stake.

Regards, Gary
PS A search on the Eric Connelly method may offer another alternative.