An archery bow riser for an archery bow is disclosed. The archery riser, in an embodiment, includes a first section, a frame connected to the first section and a second section connected to the frame. The frame defines a cavity or inner space, and the frame is configured to reduce deformation of at least part of the archery bow riser.

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.

An archery bow riser for an archery bow is disclosed. The archery riser, in an embodiment, includes a first section, a frame connected to the first section and a second section connected to the frame. The frame defines a cavity or inner space, and the frame is configured to reduce deformation of at least part of the archery bow riser.

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.

An archery bow riser for an archery bow is disclosed. The archery riser, in an embodiment, includes a first section, a frame connected to the first section and a second section connected to the frame. The frame defines a cavity or inner space, and the frame is configured to reduce deformation of at least part of the archery bow riser.

A riser for a bow is disclosed. The riser, in an embodiment, includes an upper section, a structure, a middle section, and a lower section. The structure defines a cavity, and the structure is configured to reduce deformation of at least part of the riser.