FIG. 1 is a diagrammatic, top-plan view of a sensor case according to the invention in a closed condition;

FIG. 2 is a side-elevational view of the sensor case in the closed condition;

FIG. 3 is an end-elevational view of the sensor case in the closed condition;

FIG. 4 is a bottom-plan view of the sensor case in the closed condition;

FIG. 5 is a perspective view of the sensor case in the closed condition;

FIG. 6 is a bottom-plan view of the sensor case in an open condition;

FIG. 7 is a side-elevational view of the sensor case in the open condition;

FIG. 8 is a top-plan view of the sensor case in an open condition;

FIG. 9 is an end-elevational view of the sensor case in an open condition;

FIG. 10 is a fragmentary, enlarged, bottom-plan view of the sensor case in the open condition, with a sensor, such as an iPod sensor, partly inserted therein;

FIG. 11 is a fragmentary, perspective view of the sensor case placed in a mostly open condition and inserted beneath laces of a shoe;

FIG. 12 is a view similar to FIG. 11, with the sensor case being closed over the laces; and,

FIG. 13 is another view similar to FIGS. 11 and 12 of the sensor case in a fully closed condition over the laces.

The broken lines represent top-stitching.