and both the p-lip and the falcon I can say work as advertised. Might over promise a bit as someone will find a way to make a good pipe bite them.6mm balsa, 9mm charcoal, Brigham distilators, different bit materials, falcon pipes, P-lip, army mount, oil curing, bowl coating, and system pipes could all have been considered "gimmicks".
Some things resonate with the consumer, some things don't.