The ornamental design for a cymbalshield, as shown and described.
FIG. 1 is a front perspective view of a cymbal shield, shown separately to show aspects of the design that are not visible when in use.
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.