I wear high heals a lot as dress-shoes, and I have never really had a problem walking in them at all. I *do* have a problem walking in those horrid spikey heals. I can stand in one place in them, but not actually walk.
...this is actually a problem, because the shoes my sister has chosen for me to wear in her wedding are black, very spikey heals. I geuss I just have to practice. But if the heal is wide enough (Unlike these horrid things my sister has chosen, which can't be more than a couple centimeters) I really have no problem walking, or even running.
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"Never injure what cannot die"