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.
A mule is the result of breeding between a female horse and a male donkey. A mule is said to have the body of the horse with extremities of a donkey. Mules have smaller ears. than their donkey fathers but larger, although the same shape, as their horse mothers. Their manes. and tails are not as thick as that of a horse.