Apparently the title was occasionally used, and the use gradually grew into a prescriptive right.
A prescriptive market is held on Saturdays; two fairs of like nature have disappeared.
Earl Warenne held a weekly market on Saturdays, and fairs on Tuesday in Whitsun-week, the eve and day of St Lawrence, and the eve and day of the Exaltation of the Cross, by prescriptive right.
In 1204 John gave the manor to William Bruere and granted to the town all the privileges of a free borough which were enjoyed by Nottingham and Derby; but before this it seems to have had prescriptive borough rights.
Among the curious customs of Halifax was the Gibbet Law, which was probably established by a prescriptive right to protect the wool trade, and gave the inhabitants the power of executing any one taken within their liberty, who, when tried by a jury of sixteen of the frith-burgesses, was found guilty of the theft of any goods of the value of more than 13d.