EDIT: Hah! cross posted with Woody girl
The thing is though, we all have that moment of inattention, we all do stupid things, and thankfully, mostly realise it just as it's done so can be rectified. It's when we don't notice the little things, like the cork in the kettle, which keeps the inside clean when transporting it or storing it.
If you have another cap, then that becomes the instinctive bit about using that and not the cork. My cork is chained onto the kettle though, and is used to stabilise it for easy pouring. I think that's why F. wasn't paying attention when she set it alight with the cork in. We got lucky, and she remembered just before it boiled. It came out with a pop and a splatter of hot wet steam, but it didn't erupt.
Sometimes a heads up thread like this, with the added graphics
really does get the message stored in the old neurons though.
M