Being unfamiliar with the term Mobius loop, Lesley was intrigued by my demonstration of the idea with a piece of paper and some sticky tape. When I quoted the description as it being ‘ a chiral object and a developable surface as it has zero Gaussian curvature.’ She agreed wholeheartedly . . . though I had no idea what it meant . . it’s amazing what level of insight two beers and a glass of prosecco can achieve . . . .