I bought a cheap organiser that was the perfect width and handle height for the build in hooks
https://www.ebay.com.au/itm/Premium-COLLAPSIBLE-CAR-BOOT-ORGANISER-FOLDABLE-SHOPPING-TIDY-CAR-BOOT-STORAGE/383814928105?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649