academic.oup.com/sleep/arti...
This is an interesting article on TOMAC therapy.
ncbi.nlm.nih.gov/pmc/articl....
It makes the distinct point that RLS does not tend to respond well to gabapentinoids after DA therapy, resulting in refractory RLS. Many of us are familiar with this experience. Opioids are then required.
But TOMAC therapy seems to work for those that have been on DAs before in the same way as for those that have not taken DAs.
Therapulse is the main device available in the UK using similar technology.