lizardland

Errr... this might be so obvious that I'm missing something but aren't you only going to be checking it when you think there may be a problem anyway, for example an unexpectedly motionless diver? Can't you do the same with a poke in the ribs or a light flash?

If it's for ordinary run of the mill checks during the dive then surely only one diver in a two diver team can be checked and the poor sod at the back is on his own? Sounds a bit of a gimmick but then I'm just a cynic...

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