Can a brick give oil?
Brick oil: in a village in Sakarya, for rheumatic pain, two dry bricks are pounded into powder, roasted in a pan with pure olive oil, and water is added. The oil that rises to the surface is collected with a spoon and kept in a bottle. In the record, the product has that name too: brick oil.
Source: Erdem Yeşilada, Ekrem Sezik, Gisho Honda ve ark., “Traditional medicine in Turkey IX: Folk medicine in north-west Anatolia”, Journal of Ethnopharmacology 64, 1999 (Yeşilada et al., J Ethnopharmacol, 1999). This is a folk record, not a treatment recommendation.
Flour sprinkled on wounds: yarrow