A cover letter is important because its almost like an easy ticket to get in your shop class. A cover letter is determine wether you want to be in that shop so much that they will accept you. Also a cover letter is like a   a biography. The cover letter is very important because your telling the shop teacher, why you want to be there and what is your purpose of being there. You have to explain what things you like to do in that certain shop. This is how i think about a cover letter being important.