Review of RY4 Flavor-FA:

I really like RY4 from Flavour Art. It is similar in flavor and complexity to TFA's RY4 double, but more potent, so you can. Use less with the same effect. I usually use it 2% in a mix vs. 4% with TFA Basic profile is Caramel, Vanilla, light tobacco.
 Goes great with nuts, caramel, creams, and also does well smoothing the harder edges of other Tobaccos such as 7 leaves, Shade, or Burley. Also a must have for those who might want a little tobacco in a mix, but not a full on tobacco experience.