 Each of these links was surrounded with red enamel flames forming a square around it.More generally, the cross was suspended from a large ribbon of color moirée blue sky, hence the nickname cordon bleu the knights wore.For the ceremonies of the Order and when the knights of the Order made their Communion, the knights wore a long black velvet mantle sprinkled with embroidered gold and red flames and with a representation of the collar round its edges embroidered in gold, red and silver.