Who, having received such a charge, thrust them into the inner prison, and made their feet fast in the stocks.
Who, having received such a charge, thrust them into the inner prison - pestilential cells (to use the words of Howson), damp and cold, from which the light was excluded, and where the chains rusted on the prisoners. One such place may be seen to this day on the slope of the Capitol at Rome.
And made their feet fast in the stocks, х eis (G1519) to (G3588) xulon (G3586)] - 'to the wood;' an instrument of torture as well as confinement, made of wood bound with iron, with holes for the feet, which were stretched more or less apart, according to the severity intended. (Origen, at a later period, besides having his neck thrust into an iron collar, lay extended for many days with his feet four holes on the rack.) Though jailors were proverbially unfeeling, the manner in which the order was given in this case would seem to warrant all that was done.
Paul and Silas are miraculously set free, and the Jailor, with all his household, converted and baptized (16:25-34)