To complement a swing trench coat, there are various accessories available on Amazon that make great gift ideas. From stylish belts to cinch the waist and add definition to the coat's silhouette, to cozy scarves and gloves to keep warm during colder months, these accessories can enhance the overall look and functionality of a swing trench coat. Additionally, Amazon offers a wide range of waterproofing sprays and fabric care products to help maintain the coat's quality and protect it from the elements. These accessories make thoughtful and practical gifts for anyone who owns a swing trench coat.