AW06 "CDA" Hook Spine BootsN. Hoolywood Autumn WInter 2006 "CDA" Hook Spine Boots in Brown The Hook Spine Boots are a pair of mid calf boots set on smooth stacked wooden soles with rubberized outsoles for traction. Defined by a distinctive spine like hook and strap closure system running along the side, complementing the rounded toe and soldierly form. Leather, wood, rubber. Made in Japan. Like new condition, no notable defects.