Percussion instrument support arm clamp

The design is embodied in a clamp usable to attach the arm of a percussion instrument support to a drum rack member (a drum rack tier).

FIG. 1 is a perspective view of a percussion instrument support arm clamp showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of a hexagonal tube illustrates environment only and forms no part of the claimed design.

The ornamental design for a percussion instrument support arm clamp, as shown and described.

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