The ornamental design for a drum stickholder, as shown and described.
FIG. 1 is a front elevational view of a drum stick holder showing my new
design, the broken line disclosure of drumsticks is for illustrative
purposes only and forms no part of the claimed design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a right side view thereof (the left side view is a mirror image
of the right side.