It’s 2008. I’m ten years old. I have a henna cone in my hand and I’m not afraid to use it. I squeeze unrecognisable flowers onto the women, and I paint wonky footballs and messy rockets onto the boys.

If you’re not particularly gifted in the art department, it can be hard enough to draw with a pencil and paper, let alone on a canvas as tiny as your nail bed. That’s why abstract nail art is so great ...