Sponsored by a supplier of brand-name Diclofenac.
Doubt if the copywriter has ever been deeper underground than the Northern Line.
Might *just* result in a few people contacting a club.

http://www.telegraph.co.uk/sponsored/why-not/11693933/cave-exploring-and-expeditions-uk.html

Not sure whether to post here or in the "Friday Joke" thread (except it's Thursday).