Hi, am thinking of getting one of these. Am after advice from anyone who owns and uses a Buddy self sealing DSMB (without the crack bottle) and who doesn't use oral inflate(entanglement hazard) or purge button (free flow hazard) to inflate. How do you do it please? I can only think by using wing inflate/dump buttons? any advice gratefully received. Tried farting into it but was told it wasn't DIR.