diff --git a/docs/lineage.md b/docs/lineage.md
index bfe919e..09f6377 100644
--- a/docs/lineage.md
+++ b/docs/lineage.md
@@ -20,6 +20,11 @@ The factory, its ventures and their agents form one tree. Every node is read thr
 **Status (2026-10-14):** model agreed with the operator. Minting a real root is the operator's call; until it exists,
 this tree is a drawing, and nothing derived from it may be presented as a real key.
 
+**Rehearse it:** [lineage.yolopreneur.lol/orgchain/](https://lineage.yolopreneur.lol/orgchain/) is Super Testnet in
+lineage's clothes: a root, births (the parent is spent to make each child), generations and badges, as inscriptions on
+a private toy chain in the browser, with pretend money. Graduation and closing need transfers and burns, which that lab
+doesn't do yet. Source: branch `orgchain` on `supertestnet/app`.
+
 ## Rules
 1. **One template, every depth.** An org is legal key · treasury · identity · agents · orgs. The factory's own org and
    a venture three levels down run the same spec.
@@ -51,3 +56,4 @@ this tree is a drawing, and nothing derived from it may be presented as a real k
 - The `lineage` CLI: spec → keys, so Time's seats get real identities and sign their commits with the git leaf.
 - The meta repo's layout generated from `lineage.json`: one manifest for keys, context and pages.
 - Badge issuance from the kata runner (see `SKILLS.md`).
+- Transfers and burns in Orgchain, so graduation and closing can be rehearsed too.