A system, method, and apparatus for an athlete to variably control the flexibility and stiffness parameters of a piece of athletic equipment to select a desired performance characteristic of the equipment based on the stiffness parameter. According to certain embodiments discussed herein, an item of sporting equipment may be embedded, impregnated, lined, or encased using nitinol components, wherein the nitinol components may themselves be treated using a specific method in order to achieve the desired transformation results, as described below.

A system, method, and apparatus for an athlete to variably control the flexibility and stiffness parameters of a piece of athletic equipment to select a desired performance characteristic of the equipment based on the stiffness parameter. According to certain embodiments discussed herein, an item of sporting equipment may be embedded, impregnated, lined, or encased using nitinol components, wherein the nitinol components may themselves be treated using a specific method in order to achieve the desired transformation results, as described below.

A system, method, and apparatus for an athlete to variably control the flexibility and stiffness parameters of a piece of athletic equipment to select a desired performance characteristic of the equipment based on the stiffness parameter. According to certain embodiments discussed herein, an item of sporting equipment may be embedded, impregnated, lined, or encased using nitinol components, wherein the nitinol components may themselves be treated using a specific method in order to achieve the desired transformation results, as described below.

A system, method, and apparatus for an athlete to variably control the flexibility and stiffness parameters of a piece of athletic equipment to select a desired performance characteristic of the equipment based on the stiffness parameter. According to certain embodiments discussed herein, an item of sporting equipment may be embedded, impregnated, lined, or encased using nitinol components, wherein the nitinol components may themselves be treated using a specific method in order to achieve the desired transformation results, as described below.

A concentrated mass launcher including a handle a cradle portion having a first anterior wall and a second anterior wall, the first and second anterior walls being opposed to one another and being separated from one another to form a gap, the cradle portion being positioned above the handle; an upper resilient limb extending from the cradle portion; a lower resilient limb extending downwardly from the handle; a string extending from the upper resilient limb toward the lower resilient limb; a sling being disposed about the primary string; a first resilient member being connected at a first end to the sling about a perimeter edge, and being connected to the cradle portion; and a second resilient member being connected at a first end to the sling about the perimeter edge, and being connected to the cradle portion.

A concentrated mass launcher including a handle a cradle portion having a first anterior wall and a second anterior wall, the first and second anterior walls being opposed to one another and being separated from one another to form a gap, the cradle portion being positioned above the handle; an upper resilient limb extending from the cradle portion; a lower resilient limb extending downwardly from the handle; a string extending from the upper resilient limb toward the lower resilient limb; a sling being disposed about the primary string; a first resilient member being connected at a first end to the sling about a perimeter edge, and being connected to the cradle portion; and a second resilient member being connected at a first end to the sling about the perimeter edge, and being connected to the cradle portion.