Store › NVR (Non-Violent Resistance) parenting guide Image 1 of 1 NVR (Non-Violent Resistance) parenting guide £9.99 A guide from a parent who has attended and implemented the strategies from NVR (Non-Violent Resistance) training. Buy now Added! A guide from a parent who has attended and implemented the strategies from NVR (Non-Violent Resistance) training.