Become a Member Today › Forums › Obedience Training › Phase 3 Obedience › Been a while. › Reply To: Been a while. Craig Corbett Member May 30, 2021 at 12:29 pm 26 Member Thank you Allie! I use the ecollar when I say no. For example, Blitz Sit-No/Vibrate, Sit. He is on the ecollar for sit, down, come, stay, and heel.