The ornamental design for a clip for a wristband, as shown and described.
FIG. 1 is a top, front and right side perspective view of a clip for a wristband showing our new design;
FIG. 2 is a bottom, rear and left side perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a right side elevational view thereof;
FIG. 8 is a left side elevational view thereof;
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 3;
FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 4;
FIG. 11 is a perspective view showing the article in a closed state; and,
FIG. 12 is a perspective view showing the article attached to a wristband.
The broken lines formed by dashes are shown for illustrative purposes only and form no part of the claimed design. The broken lines formed by a shorter dash between longer dashes define the boundaries of the claimed design but form no part thereof.