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Mask swift FX issues
Oppps, got to update the profile.thanks for reminding me. Thought I did already.

Yep, the air channel - more or less I made a channel out of perspex (clear bendy plastic) that takes the air from the exhaust port and channels it up along the hose over my head. You take a piece of bendy plastic or even a train ticket (you would need to coat it first in scotch tape to water proof it) and bend it along the vertical axis so it forms a long canal. make two cuts on either side of one end so it can fold over. That end you scotch tape around the exhaust port near the swivel joint being careful not to block the port itself. The rest of the canal you tape to upper sides of the hose, making sure that there is a good seal all along the plastics, so that you have a "tunnel" that now allows the air to move along the hose itself and not blow back on your face. This will now direct the air along hose in whichever direction the hose is. Caution - the channel has to be large enough to allow the air to move freely and not build up turbulence, which would slow the air air flow and build up CO2. It is pretty intuitive. I find it best to preshape the entire tube with scotchtape and make a scotchtape bottom flat across the open side of the half tube. This then rests on the hose itself and prevents turbulence from the ridges of the hose.
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