Automobile traffic was blocked by the police cordons and protesters. In 1816, the grand cordons were renamed grand crosses and the legionnaires became knights. Water cannons were used and police cordons were formed. The People's Police cordons were utterly ineffectual. A simply decorated tower has between floor cordons decorated by cresting with a geometric motif. The media were the only people to breach the Police cordons. After the 23 October riots the police closed off the square with cordons. Their participation traditionally includes musical units, color guards, salute batteries and honor cordons. Cordons pierreux are thin lines of fist-sized stones laid across fields. The old system of cordons lost its prestige. Neither side attempted to breach the cordons that separated them. The cordons were removed only on 19 March 2007. The founder gave his French family Grand Cordons as wedding gifts. This charge would have applied no matter how many times a vehicle crossed both cordons. It is tied with gold cordons, and dates from the reign of George IV.