The ornamental design for a curlingtongheater, as shown and described.
FIG. 1 is a left, front perspective view of the curling tong heater of my
new design, in which the unshaded inner areas bounded by the oblong and
circular outlines in FIG. 1 areas inside do not form part of the claimed
design.
FIG. 2 is a left, rear persepective view thereof;
FIG. 3 is a bottom plan view thereof; and,
FIG. 4 is a right side elevational view thereof, the left side elevational
view being a mirror image thereof.