1. The shark was finally driven away by a sailor with a boat hook . 2. National Archives : 139 . " First flag on Guam on boat hook mast. 3. A small crowd gathered, some armed with boat hooks . 4. According to another sailor, LoPresti improvised a weapon by lashing a sheath knife to a boat hook . 5. Codispoti pushed the closest one away with a boat hook as larger chunks drifted toward the line. 6. Obverse : Instead of swimmers the central part consists of a crossed boat hook and oar forming quadrants. 7. While filming his death scene, Harrison Ford hit him with a boat hook , giving him a permanent scar. 8. In Royal Navy, during ceremonial occasions the Ceremonial Boat Hook Drill must be performed during berthing and unberthing. 9. Using a 10-foot-long tool called a " boat hook ", Newman tugged free a guidance antenna on the Russian module. 10. The boat hooks refer to boatmen on the Rhine, but it is unknown what the stars are meant to stand for.