Coils of Cash slot by Play'n Go is a 7-Reel video slot with 2304 payways.
There are 6 vertical reels and 1 horizontal reel (Power Coil). Winning combinations are removed. New symbols cascade into view to re-fill the empty positions to potentially form new wins. The process is repeated if new wins are continually being created. Only the highest winning combination per symbol is paid.
The Wild symbol substitutes for all symbols except Scatter and is only present on the horizontal reel.
From Play N Go