Primordial tenants stand proudly in front of / Their Apartment Houses [in] Paris after the war — / Some on terraces or in frames of doors. (brooklynrail.org)
Put a post-it note on the door and a pen on top of the door frame of each door. (thetinylife.com)
To do this, visualize a leather bit hanging from the frame of every door you walk through. (entrepreneur.com)