A cause chain with an open end

Use C10's tool-location/labelled-hook/one-member report. Make a link for explicit reason, action, reported effect and an unanswered future question. A private reader checks each link against a named note.

Grown-up help

distinguish explicit reason from an unrelated earlier event. No sharp objects, hook installation, real tool use or universal result is involved.

Day 15 teacher plan · Blank bench/paper.