The term 'banjo accessory' refers to items used to enhance the playing of a banjo. A PICK is a small, thin piece of plastic or metal used to pluck the strings of the banjo. A CAPO is a device that clamps onto the neck of the banjo and changes the pitch of the strings. A STRAP is a length of material used to secure the banjo to the player's body while playing. All three of these items are essential for playing the banjo.