Originally used by distillery workers in the early 1900s to pilfer drams of whisky from ageing barrels.
The thieves would dip the ‘dog’ into the barrel, filling it with whisky before replacing the bung.
They would then hang the long, cylindrical device down the inside of their trouser leg from a rope tied to their belt to avoid being caught.
The device was named ‘a dog’, because “it never leaves your side, and is a man’s best friend”.
The dipping dogs are approx 21cm high and 28mm in diameter.