every nook and cranny
US /ˈev.ri nʊk ænd ˈkræn.i/
UK /ˈev.ri nʊk ænd ˈkræn.i/

1.
every part of a place; every small space or corner
:
•
We searched every nook and cranny of the old house for the lost keys.
•
The artist paid attention to detail in every nook and cranny of the painting.