The traditional focuses of sociology include social stratification, social class, social mobility, religion, secularization, law, sexuality and deviance.
These were called calceus mulleus, and the name may have been shortened to mules by English speakers. Hence the primary difference between mules and clogs in early days was that clogs were likely to be worn by working people, and mules were fancier and favored by the aristocracy.
Related Mules Questions. Are mules infertile? Or donkeys? Mules are infertile. A mule is a mix between a donkey and a horse, both of which... Are male and female mules both sterile? Mules are almost always sterile and is attributed by the different number of... Why are female mules sterile