Dom and Jimmie Schramm to the rescue!
βTo me, on the bit is when the rider creates impulsion from behind; the horse is traveling up, lifting his back, and moving forward into a steady and submissive contact with the bit.β
In this episode of Evention TV, Dom and Jimmie explain why getting a horse on the bit is so important and how you can go about getting there.
https://www.youtube.com/watch?v=bzpm-zKpj58