The ornamental design for a cymbalshield, as shown and described.
FIG. 1 is a front perspective view of a cymbal shield, showing my new design;
FIG. 2 is a top view of the cymbal shield, in use condition.
FIG. 3 is a bottom view thereof.
FIG. 4 is a front view thereof.
FIG. 5 is a back view thereof.
FIG. 6 is a right side view thereof; and,
FIG. 7 is a left side view thereof.
The broken lines showing portions of the crash cymbal and portions of the stand are included for the purpose of depicting the environmental structure and form no part of the claimed design.