The ornamental design for a handexerciser, as shown and described.
FIG. 1 is a front elevational view of a hand exerciser showing my new
design, the side opposite being identical;
FIG. 2 is an end elevational view thereof, the end opposite being
identical;
FIG. 3 is a cross-sectional view thereof taken along line 3--3 in FIG. 1;
and,
FIG. 4 is another front elevational view thereof with broken lines showing
the human hand as an illustration of environment forming no part of what
is claimed.