The ornamental design for an accessoryboat handle, as shown and described.
FIG. 1 is schematic perspective view illustrating how the accessory boat handle of the claimed design fits into its intended environment;
FIG. 2 is an enlarged perspective view of the accessory boat handle of the claimed design;
FIG. 3 is a top view of the accessory boat handle of FIG. 2;
FIG. 4 is a bottom view thereof;
FIG. 5 shows a front view thereof;
FIG. 6 shows a rear view thereof;
FIG. 7 shows a left side view thereof; and,
FIG. 8 shows a right side view thereof.
The broken lines in FIG. 1 represent the environment in which the article resides and forms no part of the claimed design. The broken lines in FIGS. 2-8 are for the purpose of illustrating portions of the article that form no part of the claimed design.
The broken away symbols in the drawings indicate the appearance of any portion of the article between the break lines forms no part of the claimed design.