Since ancient times amulets, talisman, charms and mojos have been used by people to draw a particular energy or need.
A magickal charm is worn to attract good luck. An Amulet provides protection from harm and danger and wards off evil, a talisman is said to attract a particular benefit to its owner. Mojos are intention bags; prayer bags that can draw luck, protection, prosperity, etc.
All are said to hold magickal intention and can change energy. You can harness the power of Spirit, the universe, etc to attract what you desire and repel what you do not want. They can be used to help manifest or create the life you want.