The ornamental design for a carbonfibercarabiner, as shown and described.
FIG. 1 is a top plan view of my new design for a carbon fiber carabiner.
FIG. 2 is a bottom plan view of FIG. 1.
FIG. 3 is a right side elevation view of FIG. 1.
FIG. 4 is left side elevation view of FIG. 1.
FIG. 5 is a rear side elevation view of FIG. 1.
FIG. 6 is a front side elevation view of FIG. 1; and,
FIG. 7 is a top perspective view of FIG. 1.
The broken lines showing of environmental structure is include for the purpose of illustrating the design in use and forms no part of the claimed design.