The ornamental design for a safetyrazorholder, as shown and described.
FIG. 1 is a front elevational view of a safety razor holder showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image;
FIG. 4 is a right side elevational view thereof; and,
FIG. 5 is a left side elevational view thereof.
The broken lines connecting the outer solid lines of the razor holder represent the bounds of the claim. The remaining broken lines illustrate portions of the article. None of the broken lines form part of the claimed design.