Jekiyo 16-Liter Folding Crates Storage, Collapsible Container Plastic, Set of 3

*hold my beer* The wide angle of this makes it a little distorted, but you get the idea. Pretty much got a basic rack like this: https://a.co/d/02S6GPHx And then put a collapsible basket on it (drill holes through bottom of basket to tie ties through): Jekiyo 16-Liter Folding Crates... https://www.amazon.com/dp/B075L6J328?ref=ppx_pop_mob_ap_share Then, tied the crate to the rack with this: https://a.co/d/0eiDHC6q And then this is the kicker; the seatpost mount: https://www.salsacycles.com/products/post-lock Bada bing, bada boom.