Pirate's Hook Knob

Arghh! When yer a pirate with only a hook fer a hand, ardinary knobs er a pain in the keel. But when hook meets hook, all's fair! Also, a great place to hang those skivvies that arnae quite ripe yet fer the hamper.____Use the file with built-in supports for printing, using a 0.2mm layer thickness. Schedule a filament color change at 21.6mm.The hole in the back is for an 8-32 or M4 screw.