This is an adapter to convert a round door knob to a door handle

IMPRESA Two Pack Door Handle Extension, Soft Rubberized Doorknob Extension, Converts Knob Style Doors to Handles for Easy Accessibility for Elderly, Disabled, Children, Fits Door Knobs 2 to 2.5, Door Knobs

Handle Adapter Universal for the Vectis Plus Door Locks

Leveron Doorknob Adapters : package of 2 lever handles

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These retrofit smart locks let you keep your old keys - CNET

Richelieu 3/4-inch (19 mm) Round Single-Sided Cylindrical Knob for 6 mm to 12 mm Glass Sho

Accessible doorknobs are the hill I'm choosing to die on

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