The ornamental design for a thumbring for nailclipper, as shown and described.
FIG. 1 is a perspective view of a thumb ring for a nail clipper in accordance with my new design;
FIG. 2 is a front elevational view of the thumb ring, wherein a rear elevational view thereof is the mirror image thereof;
FIG. 3 is a left side elevational view thereof, wherein a right side elevational view thereof is the mirror image thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a reference view illustrating a usage of the thumb ring which is coupled to a nail clipper, with the thumb ring in a first position; and,
FIG. 7 is another reference view illustrating a usage of the thumb ring which is coupled to the nail clipper, with the thumb ring in a second position.
The broken lines shown in FIGS. 6 and 7 are for the purpose of illustrating environment and/or usage, and form no part of the claimed design.