Crossword puzzle clue "item often left at apartment doors"

Item often left at apartment doors

Wrap right over left, tuck right underneath, pull, pinch right in a loop, wrap left around, push left through hole to create loop, pull loops

Apartment, to an apartment manager

Item often stolen yet left where it is

Item often left on a course

It often involves slamming doors

They're often seen on S&L doors

It often has four doors