Originally Posted by
davejb
As for the dual use bottle, there is one small drawback (unintentional pun there I think).... as a survival instructor said many moons ago (MALM East at Finningley, I think) - 'Drink 1 pint, **** one and a half', as has been proved true quite often, usually to the discomfort of the 'first timer'.
A colostomy bag is a good idea but unnecessary. While your 1:1.5 rule is undoubtedly true it assumes that he selfishly emptied the contents unassisted. As he had two neighbours with 3 opposite and was a typically generous colonial, 1 into 1 certainly went. I hasten to add, the bottle was only passed around during its first iteration.