The ornamental design for a t-braced knee support pillow, as shown and described.
FIG. 1 is a perspective view of a t-braced knee support pillow showing my
new design, the broken-line showing of a shorts-clad user is for
illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a bottom plan view of a t-braced knee support pillow;
FIG. 3 is a front elevational view, the rear elevational view being a
mirror image thereof;
FIG. 4 is a left side elevational view, the right side elevational view
being a mirror image thereof; and,