Wabi-sabi is the beauty in impermanence and imperfection.
For instance, a patina that leather gets after use, or threadbare fabrics.
When we get a brand new piece of clothing, it often needs to be "broken-in."
"Breaking-in" of things makes them more comfortable and familiar.
Being "broken-in" means the object contains its own history, it tells its story.
Wabi-sabi is part of Mono no Aware
Mono no Aware describes empathy toward (inanimate) objects.
It can also refer to an affection for impermanence, 無常, mujō.
Kintsudi is the practice of repairing broken pottery with glue containing gold
This is done to highlight the value of broken-ness and repairing.