The ornamental design for a jewelryattachment for footwear, as shown and described.
FIG. 1 is an environmental side perspective view of a jewelry attachment for footwear depicted in use, showing my new design;
FIG. 2 is an environmental front perspective view of thereof;
FIG. 3 is perspective view of the jewelry attachment for footwear;
FIG. 4 is a front view thereof with a rear view being a mirror image;
FIG. 5 is left side view thereof with a right side view being a mirror image;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken line showing of a shoe and an attached piece of jewelry shown in FIGS. l and 2 is for the purpose of illustrating environment and forms no part of the claimed design.