[The Red One]

I use a similar idea using the upper holes as per @therealstoly

I have a cheap generic cargo net that is anchored on both sides as per installation hardware BUT I also have a few carabineers that I hook up to some larger zip ties (to stop any metal noise & wear from the metal carabineers) that I passed through the frame holes at the top of the trunk so I can detach the side anchors if ever I need the long space the folded rear car seat provides and yet keep the loose junk secure in the netting.

I always found that a box or any container back there is not space efficient.

I’m a long-time Hatch junky and like driving with seats folded down…