A great item for all lovers of breathe control.
This sturdy head harness is made of 20mm wide and 3mm thick rubber, and fits perfect.
The 3 or 6 litre rubber breathing bag is attached to an anaesthetic mask, that can be inflated for an airtight fit.
Optional the buckles can be equipped for locking with padlocks.
The harness fits for a forehead circumference of 52cm to 62cm.