After a dinner party some dregs of heavy red wine (Amarone) were left in the bottom of a couple of decanters (one crystal, one thin glass). The next morning I left home for three weeks, having forgotten to rinse them.Of course, the wine evaporated, and, despite my efforts with warm water, washing-up liquid and a flexible wire brush, some brown-red stains remain in quite inaccessible places. Can anyone help, please?