Push the two sides of the door knob together. With one hand on each side of the doorknob, press both sides of the handle together through the hole Stock Photo - Alamy
How to get keyless entry for this French door? : r/homeautomation
CUBO Leather Door Handle | Dark Brown/Champagne
Types of Door Knobs - The Home Depot
Regal Lager | Qdos Adhesive Double Door Lock
Two Way Locking Door Knob For Main Door And Security Doors
DIY Petite Double Doors From Bifold Doors | The Aspiring Home
French Patio Door Security Lock for Double Hinged Swing Door Levers, Only Works with 2 Horizontal Handles, No Key Required - Amazon.com
Best way to make this a smart lock? There's two locks on the door. : r/smarthome
CL400 Bi-Parting Barn Door Handle & Pocket Door Lock Set | RealCraft
NeuType Double Door Handle Sets with Deadbolt Lock Set Door Entry Door Locksets Double Door Handle Set with Dummy Exterior Door Lock Set with Deadbolt Matte Black: Amazon.com: Tools & Home Improvement
Winton Antibacterial Brass Door Handle with Lock (Set of 2) | Mullan Lighting
CL400 Bi-Parting Barn Door Handle & Pocket Door Lock Set | RealCraft
Safety 1st Double Door Decor Slide Lock (2-Pack) HS170 - The Home Depot
Keyed Entrance Door Lever set Lock with Double Cylinder Deadbolt Combo - Probrico
How To Choose Locks For Double Door | Sure Lock & Key
Baldwin Estate Soho Two-Point Lock Single Cylinder Handle Set w/ Lever 85385.2SC | Door locks, cabinet hardware, home alarms, custom doors, smart home products and custom doors.