The ornamental design for a shoulderstrapcover, as shown and described.
FIG. 1 shows a perspective embodiment of my design.
FIG. 2 shows a side layout view of the embodiment of my design.
FIG. 3 shows another side layout view of the embodiment of my design.
FIG. 4 shows a front view of the embodiment of my design.
FIG. 5 shows a rear view of the embodiment of my design.
FIG. 6 shows a top down layout view of the embodiment of my design.
FIG. 7 shows a bottom up layout view of the embodiment of my design; and,
FIG. 8 shows a perspective view of my design in use.
The broken lines showing a second strap cover, backpack and drawstrings are for the purposes of illustrating environment and form no part of the claimed design.