The ornamental design for a foldingguide, as shown and described.
FIG. 1 is a perspective view of a folding guide illustrating our new design;
FIG. 2 is an elevational view of the front of the folding guide of FIG. 1, the front and back being mirror images of one another;
FIG. 3 is an elevational view of one side of the folding guide of FIG. 1, the two sides being mirror images of one another;
FIG. 4 is an elevational view of one end of the folding guide of FIG. 1, the two ends being mirror images of one another;
FIG. 5 is a plan view of the folding guide of FIG. 1, illustrating its use; and,
FIG. 6 is a perspective view of the folding guide of FIG. 1 in a folded configuration.
In these views, the broken lines are directed to environment and are for Illustrative purposes only; the broken lines form no part of the claimed design.