An ornamentaldesign for a chopstick holder, as shown and described.
FIG. 1 is a perspective view of a chopstick holder.
FIG. 2 is a top plan view thereof.
FIG. 3 is a bottom plan view thereof.
FIG. 4 is a right side elevational view thereof.
FIG. 5 is a left side elevational view thereof.
FIG. 6 is a front elevational view of the chopstick holder.
FIG. 7 is a rear elevational view thereof; and,
FIG. 8 is a perspective view of the chopstick holder in full lines with a pair of chopsticks shown in broken lines representing environmental association matter being for illustrative purposes only and forming no part of the claimed invention.