[Arthur crosses his arms and stares.] Or none of the above. [Which is true, since the PASIV is rather easy to use. The dreams themselves, the synchronization of the kicks, getting in and out of the dream undetected, that's what takes specialization.] I was involved in studies of the sedative and its applications as a student. [Also true, for the most part. It was when Cobb and Mal recruited him to assist in their research. He's just leaving out the specifics, the fact that this is shared dreaming, not some kind of guided meditation through a lucid dream. Details aside, though, the results should be the same.] There aren't many mainstream uses for it yet where I'm from.