Look for Clark's book on the TFG website.
To save - right click on the joint. Select 'save as'. Put it in a folder you have created for your joinery.
There is no audio in my video.
I'm not sure what you mean by 'shortcut tool'. I used rectangle, push pull, line, cut, and 'paste in place'. After pasting the joint into the timber, right click and 'create TF joint' - then you can add pegs and save.