I guess it isn't a secret anymore... the 2011 WRMC is going to be a triple pot still 100% rye
Distilling a Lifetime of Whiskey Knowledge
The next batch, for example, which is slated to come out in November, uses just rye instead of what is normally a mixture of corn, rye and malt. "The idea has a great tradition. Bartenders appreciate a rye whiskey, and I wanted to give it a try."