Ever see locks attached to a bridge? They are Love Locks. Couples will attach a lock and then throw away the key to signify their lasting love together. I've seen them all over Europe and even started to see them in the US. (The photos here are from Frankfurt, Germany.) But the weight of these locks can damage the bridges and they are costly to remove, so many cities are trying to encourage the practice to stop.
In Sailor Moon, one of the main characters Rei Hino (Sailor Mars), is a Shrine Maiden, and in some of the episodes she sells amulets. I remember watching this episode when I was young and I was very excited to go to Japan and purchase one of these charms! The Hikawa Shrine in Sailor Moon Called Omamori, these talismans are sold at Shinto and Buddhist shrines and temples and provide different protection or luck. They contain a prayer written on paper or wood and are contained within a cloth bag. The shrine or temple sell these in return