Small Frame calls are designed for the smaller mouths of junior callers or adults with small palates. Features two ultra-thin reeds. With INFINITY LATEX®. Precision Processed latex makes for longer lasting calls that are more consistent and just sound better. In fact, the latex comes alive! Our PATENTED process features computerized stretching of the latex in an exact 180 degree arc, while precisely locking it into place for perfect sound and fit. That’s the high-tech, Premium Flex™ advantage.