There are so many brilliant comments here. So just this once I’ll extend the viewing deadline until sun down today. After that, the 30-minute clip will disappear forever.

It’s all about tracing and how to get ready.

People who’ve seen it say it’s really useful.

So here’s the last chance for anyone who’s missed it:

The Heraldic Arms of Hampton Hall – Part 1 – Preparations, and Tracing.