Bio Architectures DuoRebreather Prototype two-person closed-circuit rebreather shopping list If we were to design a prototype custom-fitted duo-rebreather for use at 1 ATA above sealevel, the shopping list should look something like this... Conditions for the Interdepend interface Body Modification Two different bodies + Two different hemispheres + Two different philosophies + Two different practices = One Morphological Respiring Unit. If we were to design a program for the process of preparing the two bodies, minds and souls for the single interface, the philosophy and training regime would look something like this....