I experimented with using a 20-quart plastic storage container as a rack-trunk. I attached it to the rack with velcro tape through slits cut in the bottom and wrapped around plastic dowels that were inside-bottom.

It worked but I felt it might not be durable enough for long tours. It held up fine for a two-night excursion.


Unfortunately I only had this photo with my hi-vis pannier cover over the container. Note also the small container as a handlebar bag.