I have strained my back moving furniture and the 'horse liniment'(DMSO) doesn't ease the backache completely so I websearched for
Fiery Jack which I recall from my childhood.
Many sites list it for sale, but all show it out of stock/no longer available.
From what I have read on forums, Fiery Jack is no longer produced.
I found only one tin on ebay - rusted lid - 7days left for bids
I have suffered for a week already and can't wait another.
I have located a milder substitute -
Red Tiger Balm - an ancient chinese remedy.
Tiger Balm Red