Tree Climbing Stick

FIG. 1 is a front perspective view of a tree climbing stick; FIG. 2 is a rear perspective view of the tree climbing stick; FIG. 3 is front view thereof; FIG. 4 is rear view thereof; FIG. 5 is a left side view thereof, FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a bottom view thereof. The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines shown in the figures are for the purpose of illustrating portions of the tree climbing stick and form no part of the claimed design.