ONLINE — Basketball fans spent most of Thursday afternoon explaining the NBA’s second apron to one another despite growing evidence that nobody involved was completely certain how it worked.

“It’s actually pretty simple,” wrote one fan before posting a 14-part thread that included exceptions, aggregation restrictions, frozen picks, hard caps, and two corrections.

Others responded with diagrams and salary screenshots, each clarifying one concept while introducing several new reasons a hypothetical trade could not occur.

One fan confidently declared a proposed move impossible, then returned 11 minutes later to explain that it was technically possible but only if three unrelated transactions happened first.

Cap experts attempted to help, though their accurate explanations were repeatedly summarized by commenters as “so basically they can’t spend money.”

By late afternoon, participants had reached broad agreement that the apron is important, expensive, restrictive, and somehow connected to a draft pick in 2033.

The original trade question remained unanswered.