The ornamental design for a protectiveriserguide for scissors, as shown and described.
FIG. 1 is a front elevation view of a protective riser guide for scissors;
FIG. 2 is a right side elevation view of the protective riser guide for scissors shown in FIG. 1, the left side view being a mirror image thereof;
FIG. 3 is a top plan view of the protective riser guide for scissors shown in FIG. 1;
FIG. 4 is a perspective view of the protective riser guide for scissors shown in FIG. 1;
FIG. 5 is a bottom plan view of the protective riser guide for scissors shown in FIG. 1; and,
FIG. 6 is a rear elevation view of the protective riser guide for scissors shown in FIG. 1.
The broken line showing the scissors of the protective riser guide for scissors in FIGS. 1 through 6 is illustrative of environmental only and forms no part of the claimed design.