The ornamental design for a footcaredevice, as shown and described.
FIG. 1 is a top, front perspective view of a foot care device;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines depicted in FIGS. 1-7 illustrate portions of the foot care device that form no part of the claimed design. The alternating long and short dashed lines represent boundary lines between claimed and unclaimed subject areas, whereas the even dashes represent unclaimed environmental subject matter.