Fastener

[0001]FIG. 1 is a perspective view of a fastener showing my new design;

[0002]FIG. 2 is a front elevation view thereof;

[0003]FIG. 3 is a rear elevation view thereof;

[0004]FIG. 4 is a left side elevation view thereof;

[0005]FIG. 5 is a right side elevation view thereof;

[0006]FIG. 6 is a top plan view thereof;

[0007]FIG. 7 is a bottom plan view thereof;

[0008]FIG. 8 is another perspective view of FIG. 1;

[0009]FIG. 9 is another perspective view of FIG. 1;

[0010]FIG. 10 is another perspective view of FIG. 1; and,

[0011]FIG. 11 is another perspective view of FIG. 1.

[0012]The broken lines in the drawings illustrate portions of the fastener and form no part of the claimed design.