The leaves of four-leaf clovers are said to stand for faith, hope, love, with the fourth one being luck. It's said that Ireland is home to more four-leaf clovers than anywhere else.
Rainbows are lucky because they are believed to provide their viewers with hope and motivation. They are even thought to be the hiding place for pots of gold in Irish mythology!
The mystic knot is a popular good luck charm in Feng Shui. It’s believed to bring happiness and good fortune by attracting a continuous flow of positive energy.
The Hamsa (Arabic) or Hamesh (Hebrew) is a palm-shaped amulet depicting the open right hand. It’s a sign of protection representing blessings, power and strength.