OB: All roads, water bodies, bridges, pavilions, racquetball/tennis courts, sidewalks, and painted/string lines (unless noted otherwise). White stakes/flags are not OB, but visually show approx. location of OB line. Players may also obtain relief from unmarked casual water per PDGA Rule 806.03. NOTE: Yellow cables are not OB; player may choose to take 1 meter relief inside/perpendicular to cable.