The ornamental design for a detachableholder for handwarmers, as shown and described.
FIG. 1 is a front right perspective view of a detachable holder for hand warmers showing the new design in use.
FIG. 2 is a top perspective view of the detachable holder for hand warmers.
FIG. 3 is a top plan view of the detachable holder for hand warmers;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a front elevation view thereof; and,
FIG. 8 is a rear elevation view thereof.
The dash-dot-dash lines used in the figures represent portions of the article and environmental subject matter and form no part of the claimed design. The dashed lines in the figures represent stitching and form part of the claimed design.