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A flatbow is a bow with non-recurved, flat, relatively wide limbs that are approximately rectangular in cross-section. Because the limbs are relatively wide, flatbows will usually narrow and become deeper at the handle, with a rounded, non-bending handle for easier grip. This design differs from that of a longbow, which has rounded limbs that are circular or D shaped in cross-section, and is usually widest at the handle. A flatbow can be just as long as a longbow, but can also be very short. Typical lengths would be for a flatbow, for an English longbow, and for a warbow-weight English longbow; but these styles may easily overlap each other. Traditional flatbows are usually wooden self bows (bows made of one solid piece of wood), though laminated and composite flatbows have been made in ancient and modern times. Modern flatbows commonly use fiberglass.