The correct answer is: d) All of the above
Prayer wheels are an important Buddhist ritual object. They are skillfully crafted by Sikkimese artisans using wood, metal, and clay. Prayer wheels are typically cylindrical in shape and are filled with rolled-up prayers or mantras. When the wheel is turned, the prayers are said to be released into the universe. Prayer wheels are often found in Buddhist temples and monasteries, but they can also be found in private homes.
Wood is a popular material for prayer wheels because it is strong and durable. It is also a renewable resource, which is important to Buddhists who believe in living in harmony with nature. Metal is another popular material for prayer wheels. It is often used to create elaborately decorated wheels that are both beautiful and functional. Clay is a less common material for prayer wheels, but it is still used by some artisans. Clay prayer wheels are often simple in design, but they can be just as effective as wheels made from other materials.
No matter what material they are made from, prayer wheels are a powerful symbol of Buddhist faith. They are a reminder that the power of prayer is always available to us, and that we can use it to connect with the divine.