Earrings in the shape of keys and clovers.
The key has many meanings. Universally in terms of personal development, it symbolizes security (lock), prosperity (chest), power (it is he who has the key who has the power to open the doors), love (the opening of the heart, offering the key to one's heart), the key is also the symbol of freedom and independence (like the saying: "the key to the fields".
The 3-leaf clover also has several interpretations depending on cultures and traditions.
The symbolism retained in personal development is the triad according to the meaning that each person gives it: time, balance and energies.