Now One Step Beyond. The Iron Cobra achieved its legendary status because of its ability to strongly support both the artistic and logistical requirements associated with the art of drumming. Smooth, effortless performance and unparalleled response have been hallmarks of the Iron Cobra. In its efforts to expand the boundaries of this original design, TAMA has continued to work at improving the Iron Cobra, always with an eye towards bringing drummers closer to their own creative objectives. Now, through meticulous analysis of the Cobra. (True round shape for uniform response). For maximum durability and precision. (Smaller diameter/thicker head for focused attack). (Contoured assembly that allows the spring to pull straight). (Steel return spring under the footboard to accelerate return). (Eliminates side-to-side motion and reduces friction). (Rubber-padded clamp that holds securely without scratching the hoop).