Them Vibropad Things
Might be a question for the lasses like, but do they work? Lass in work reckons she's lost a couple of inches round her waste.
Thing is, you never see them in normal gyms, but seem to be in lasses gyms, although I've saw footballers use them to aid recovery from injuries.
When they kick out your front door
How you gonna come?
With your hands on your head
Or on the trigger of your gun