A full-bleed ambient background reproducing the Railway Post Office catcher-crane mail exchange: a trackside crane holds an outgoing mailbag on a hook, swaying between passes, while a train sweeps through on a fixed cadence, its catcher arm snagging the bag and kicking a replacement onto the trackside net without ever stopping.
npx shadcn@latest add https://design.helpmarq.com/r/mailbag-hook-exchange.jsonmailbag-hook-exchange