Read an article in which Chris Ash spoke of the last seasons tackling improvement being a product of a video he came across by Pete Carroll. Rugby Shoulder Tackling! He (Chris) studied it and compared it to the method that was being used. When he understood the nuances of the system he took it to the other Defensive coaches for their opinion. After which, they approached UFM and jointly convinced him to allow them to incorporate it into the teams curriculum. We saw the results last season, as we went from a team that wasn't very good to a deadly group of tacklers. Now that's trusting your staffs decisions.