To me it represents the gold standard of physical/visual comedy skits on TV. I don't know who wrote it, but the 'fly' bit was a stroke of genius, and Conway handles it to perfection - just the right amount of casual to that left-handed finger flick. IMO the only other performance of comparable caliber, albeit more cerebral and thus less belly-laugh inducing, is John Cleese in "The Ministry of Silly Walks". On the off-chance that there's anyone in the English-speaking world who's never seen that: