However, that all changed with the discovery of this foot which belongs to a 22-year-old woman and was recently featured in a dermatology journal.
Researchers say the foot nipple is particularly rare because the condition (supernumerary breast tissue) is normally found above the waist.
Unsurprisingly the owner of the nipple-totting foot has chosen to remain anonymous fearing she'd be mocked with people asking her to put her breast foot forward and dodgy puns like that… some people would really milk it.
"Microscopic examination of the dermis showed hair follicles, eccrine glands, and sebaceous glands. Fat tissue was noted at the base of the lesion.
"Clinical and histopathologic findings were consistent with the diagnosis of supernumerary breast tissue, also known as pseudomamma.
"To our knowledge, this is the first report of supernumerary breast tissue on the foot.