AB's new GQ is finally here

[MB]

In theory yes, as Matty mentioned with a properly made Ram head.

You heard how much air was being sucked into my snorkel, literally an intense vacuum, even reverse facing or worse your pic above would suck rain water in potentially.

For sure with that ear bending suction:-)
Properly made 'RamHeads' must be key!
Further inspection of the Mrs GU (Airtec) just now found her box is actually still wet :-)

Flip side below :-)