The Importance of the Old Forest, Bombadil, and Barrow Downs in The Lord of the Rings

I've done three videos on the Old Forest, Tom Bombadil, and the Barrow Downs. But why bother talking about chapters that don't move the plot forward in any significant way? Well.... Video on the Old Forest is here: https://www.youtube.com/watch?v=Y1ODkwQ-lnY Video on Tom Bombadil is here: https://www.youtube.com/watch?v=IKfG0vP_INs Video on the Barrow Downs is here: https://www.youtube.com/watch?v=JmY2ah1s2yo