It is said that prayer wheels are used to accumulate wisdom and merit or good karma and to purify negativities such as bad karma.
The most commonly used mantra in prayer wheels is Om Mani Padme Hum. This mantra is the resonant vibration that helps tune a human being toward enlightenment energies

Learn more about Prayer Wheels here

The image above was taken for this weeks Totally Informal Transglobal "Thursday" Challenge: "Wheels".

Check out images of other participants here