Sweatshirt Collars & Trims for T-shirts & Sweaters Too! Fashion pattern Introducing Sweatshirt Collars and Trims, an Annie Potter Original fashion pattern! Perfect for t-shirts and sweaters, this crochet pattern is sure to elevate your wardrobe. With a variety of stylish designs to choose from, create your own unique and fashionable sweatshirts effortlessly. An Annie Potter Original! Preowned good condition