Their bark and form are so close in characteristics they have to be separated by cutting a small hole in the bark crevasse to expose the inner bark. Black oak will have bright orange to yellow, very bitter-tasting inner bark. Shumard oakâs inner bark is a medium brown.
Leatherette is a form of artificial leather, usually made by covering a fabric base with plastic. The fabric can be made of a natural or a synthetic fibre which is then covered with a soft PVC layer. Leatherette bound books and 20th century cameras are good examples of leatherette.
Top Grain. Top-grain leather means leather that has been made from the top or outermost layer of cowhide. Full-grain leather is a top-grain leather that shows all its natural grain and is the most natural. If labeled as top-grain but not full-grain, the leather may be sanded or buffed out to reduce blemishes. It is not as processed as some other forms of leather, however. Top-grain leather is soft and shows natural character.