Tennis-stroke Trainer Device

FIG. 1 is a top-front-left perspective view of a tennis-stroke trainer device showing my new design;

FIG. 2 is a bottom-rear-right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing the tennis-stroker trainer device in FIGS. 1 - 8 are included for the purpose of showing environmental structure of clamps, fasteners, an elastic cord, and a foam ball and form no part of the claimed design.