Trowel Handle

FIG. 1 is a top view of a trowel handle; FIG. 2 is a bottom view thereof; FIG. 3 is a right-side view thereof; FIG. 4 is a left-side view thereof; FIG. 5 is a rear view thereof; and, FIG. 6 is a front view thereof. The portions of the figures shown in broken lines are for illustrative purposes only and form no part of the claimed design.