The rumour that helium made you sound more manly at depth had been going round for a fortnight. Dave was determined to see if it was true in order to clear the symptoms of the incident where he descended to a rebelay at great speed with the rope between his legs.
Congratulations to Alex for his very clever 'Now I know what the air in the cylinder feels like'
Thank you to everyone who entered, it never ceases to amaze me the captions forum members come up with - though I did warn the publishers to expect captions about suppositories when I received their photo
Thank you, Martyn for the book and supporting the forum.