The Toor Knives Thumper is a compact, purpose-built keychain ring designed for discreet everyday carry and effective personal defense. Precision-machined from solid brass, it measures 1.625" long, 1" in diameter, and .25" thick, offering a natural feel and balanced weight at just 1.6 oz. Crafted to act as a seamless extension of your hand, this lightweight tool can punch through dense materials while remaining small enough to carry on your keychain or necklace. Made in San Diego, California, the Thumper combines durability, utility, and elegance-perfect for those seeking a reliable, non-edged pocket defense tool with timeless style.