While leaving Lothlórien , everyone was given some gift by Galadriel like Sam got elvish rope. Everyone has taken which is useful for them.

Why Gimli asks for Galadriel's hair  ? Does it has some deeper meaning or some mystical property  ?

While leaving Lothlórien in The Lord of the Rings: The Fellowship of the Ring, everyone was given some gift by Galadriel, like Sam got elvish rope. Everyone has taken something which is useful for them.

Why does Gimli ask for Galadriel's hair? Does it have some deeper meaning or some mystical property?