Hope this helps .
Found some instructions on how to install. Bit to rich for my blood. But kudos on more instructions.
http://thebikebucket.com/bike-bucket-kit-directions.html
Went thru the forum search and someone posted this place for buckets. Cheap and bunch of selection.
https://affordablebuckets.com/product-category/4-gallon-square-plastic-buckets/
Decided to run to Sam's club.
Ask the bakery Dept for the square buckets. They asked how many you want. Best price free.
Stopped at hardware store couldn't find the hooks, stopped at Walmart and they had em for $1.90. will get get washers, bolts and other stuff at Lowe's.