Amazon.com : PP Pedal Plate | Keo | Adapter Compatible with Look Keo Clipless Pedals | Converts Clipless into Flat Pedals | No Cleats Needed | Adding Grip and Comfort : Sports & Outdoors
Shimano Spd SL Look Keo Cleat cover clipless pedal adapter converter , Sports Equipment, Bicycles & Parts, Parts & Accessories on Carousell
Look Keo Flat pedal adapters that convert the pedals to platforms. These added a lot of function to my favourite training bike. Link in comments : r/functionalprint