The Clue Covering letters?
The Answer APRON
The answer "APRON" fits the clue "Covering letters" because an apron is a piece of clothing that covers the front of a person. The word "letters" can refer to the letters of the alphabet, and "apron" starts with the letter "A." Additionally, an apron is often worn when cooking or crafting, serving as a protective covering. Thus, it cleverly plays on the idea of covering both in a literal and a wordplay sense.