Oxblood

[…] we can change clothes, and with the aid of a bottle of oxblood, which is secreted about my person, we will deceive the tyrant, and spare a nobleman who does honour to Japan.

Source: wiktionary

Vampires do urinate copiously on their victims, however, and the possibility exists that they relocate their victims by following the mixed scents of their own urine and butyric acid. Nothing is known about how they are able to relocate the precise wound made on a previous feeding sortie; it was thought they could respond to the odour of dried blood, but this has now been shown to be ineffective; cattle experimentally treated with oxblood are no more nor less attacked than untreated controls (Turner, 1975).

Source: wiktionary

Gibreel smiles to himself, then quietly slides the window slightly open, lifts his glass of Coca Cola and pours it quickly into the water below. As he slides the window shut, his eyes meet Mira’s again and he smiles at her much more frankly. Then he guffaws and says, apparently to his partner but really across at her and loudly enough for her to hear: I don’t drink oxblood. Isn’t it, he adds for Indian idiom and bursts out laughing.

Source: wiktionary

Animal products like blood, urine, manure, casein and animal glue have been used through the centuries to stabilise loam. Oxblood was commonly used as a binding and stabilising agent in former times. In Germany, the surfaces of rammed earth floors were treated with oxblood rendering them abrasion and wipe resistant.

Source: wiktionary