Pointy shoes

I've come across a few sartorial hazards on the dancefloor recently: a contact lens dislodged by flying braids, and getting stung by the end of a fringed leather belt. Here's another one: those pointy shoes that end about four centimetres in front of the woman's toes. I expect to be able to tell where a woman's feet are without looking, but not in this case - not only did I trip over her feet, but at one point she managed to trip over them herself without any assistance from me...