AO3. Key aims of custodial sentencing can be achieved through restorative justice. One aim is punishment, this may be part of restorative justice, as well as the process of facing a victim is unpleasant and may act as a deterrent. By avoiding custodial sentencing sentencing, criminals won’t learn criminal techniques whilst inside prison. Also, it is cheaper and sometimes even funded by the offender themselves. This shows that restorative justice has many advantages over custodial sentencing