It seems that head massage may have a role to play in preventing dementia in certain people with restricted cranial bloodflow (assuming you are not keen on the idea of trepanation).
Today’s invention is therefore a motorcycle helmet adapted so that the internal padding is replaced by inflatable bags.
These are pressurised and depressurised in waves, controlled by a computer and selected by the wearer to give maximal comfort/stimulation/relief from congestion. The rigidity of the outer shell allows opposite balloons to create quite high pressure on the skull.
