You can also charge items that you use for rituals, spells and other ceremonies by drawing a symbol (pentagram, circle, etc) over it and meditating deeply on the transfer of energy from the Universe and you into the item.

We can cleanse and charge our tools and items we use in spells by drawing upon our own strength and power and charging the tools which enable them to protect us from negative experiences.

Symbols have been used by many civilizations through the millenniums for protection, adornment and power.

To get the full "Wiccan Protection Symbols" article you'll need to download it here.