I recently found a new hobby which I am very passionate about. Hand stitching of leather.
In Nigeria this cow hide is a delicacy.

It is often said that cow skin has no nutritional value. ... But the protein in cow skin is considered to be of low quality.... Generally speaking, foods with high quality protein or of high biological value are foods that contain all the essential amino acids the body needs daily to function.

.Cow skin eaten in Jamaica, mostly by men. Cow's skin is high in gelatine, a protein from collagen,which is high in non-essential amino acids (those which the body can make) and very low in essential amino acids (those which must be provided by the diet). Gelatine from cow's skin and bones is widely used in the commercial food industry and in other industries such as the pharmaceutical industry, to make, for example, the outer shells for capsules.

It is best to buy cow's skin from certified butchers because Ensuring that this food is free from parasites, properly cleaned and approved by public health inspections. There is also the fear of chemical contamination caused from substances used on the cow's skin for veterinary purposes.