Cart “The Duncan Fast Play System. Great Consistency on all Surfaces & All Distances. Great for Parlay Players as Well!” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × The Duncan Fast Play System. Great Consistency on all Surfaces & All Distances. Great for Parlay Players as Well! $99.00 The Duncan Fast Play System. Great Consistency on all Surfaces & All Distances. Great for Parlay Players as Well! quantity $198.00 × Dan Ivory's Thoroughbred Conductive Energy Theorem! Combining Running Styles with 'Race Shape' to Land on Outsized Parimutuel Payoffs! $111.00 Dan Ivory's Thoroughbred Conductive Energy Theorem! Combining Running Styles with 'Race Shape' to Land on Outsized Parimutuel Payoffs! quantity $222.00 Update cart Cart totals Subtotal $420.00 Tax $0.00 Total $420.00 Proceed to checkout -- Reduce multiple click by clicking on PayPal --