Another guideline from NICE on a new treatment for migraine (transcutaneous electrical stimulation of the supraorbital nerve). They have advised that this treatment can be used as it raises no safety concerns. However, the evidence on efficacy is limited in both quality and quantity so should only be used with special measures for clinical governance.
Basically transcutaneous electrical stimulation of the supraorbital nerve involves wearing a headband around the forehead. This has an 'on' button in the centre. The headband connects to a small electrode placed on the forehead. Patients wear this for 20 mins a day.