From the Secrets of the Rosary by Saint Louis de Montfort -
Quote 1 - "Alphonsus, King of Leon and Gallica, very much wanted all his servants to honor the Blessed Mother by saying the rosary. So he used to hang a large rosary on his belt and always wore it...his wearing it encouraged his courtiers to say it very devoutly."
Quote 2 - "Looking at him (the king) with great kindness, Our Lady said, as a reward for wearing my rosary, I have obtained a great grace for you from My Son. Your life will be spared for a few more years."
Quote 3 - "Blessed Alan said that a man he knew of had desperately tried all kinds of devotions to rid himself of the evil spirit that possessed him, but without success. Finally, he thought of wearing his rosary around his neck, which eased him considerably. He discovered that whenever he took it off, the devil tormented him cruelly, so he resolved to wear it night and day."
Quote 4 -"Those who OPENLY WEAR the Holy Rosary out of devotion and to set a good example may gain one-hundred days' indulgence."
Quote 5 - "Othere was a Breton soldier, from Valcolouers, and he often put whole companies of heretics or robbers to flight unaided, wearing his rosary on his arm OR CARRYING IT ON THE HILT OF HIS SWORD."