janthea - I too had a seat on the Silver Cross pram for daughter number one to sit on while newborn daughter number two was tucked in under the covers. One day I was standing gazing dreamily into a shop window with one hand lightly on the handle when Dno1 decided to lean forward and get off. She put all her weight on the pram handle, the pram tipped down, and Dno2 shot even further under the covers and rain apron to vanish completely from sight. She was fished out quite unharmed, but my nerves took a while to recover.
Another time, I had bought a lot of shopping and stored it behind Dno2 and the fold-up seat back, in the body of the pram. On the way home, I noticed her waving a very wet (I thought) foot in the air. Got home to unpack and discovered that a bottle of vegetable oil had leaked over everything, baby, covers, shopping, the lot.