It has been described as "very positive."
A trial allowing referees to wear body cameras during football matches has reportedly "changed the behaviour" of players and coaches.
They're being used at four county Football Associations in England, to deter abusive comments towards officials.
The tech can be activated at a touch of a button if they feel intimidated.
The FA says the feedback so far's been "very positive".

Sunday Mornings Sports Update
Grangenolvin And Sallins Victories In The Leinster Club Championship Yesterday
Friday Evening Golf Update
Former Dublin Player Jason Sherlock Joins Roscommon Management Team
Friday Evening Soccer Update
Crowley Says Losing Ireland Spot Pushed Him To Raise His Game
Friday Morning Sports Update
Head Coach Andy Farrell Names His Team for Ireland's Game Against New Zealand