The basic mask with blue underlay.
And mask with all it's fun internal bits. A breath through inflatable butterfly gag for filling up the mouth helping secure everything in place, but it also has a second inflatable section to the gag that when filled blocks off the airway in the mouth. The nose tubes also have an inflatable function, where when deflated breathing through the nose is un hindered, but when inflated the airway is blocked off, much like the breaththrough gag.
Anyways, more outta me later. I've got a couple other things to post from today too that I'll space out during the week.
-Rab
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