و پدر او عادت داشت كه به زيرزمين رفته، تا به كناره هاى بشكه هاى شراب ضربه بزند تا مشخص كند چقدر شراب باقى مانده و آيا بايد دوباره سفارش بدهد يا نه 
And his father used to go down into the basement to tap on the sides of casks of wine to determine how much wine was left and whether to reorder. 