A lot of roadies wear spd (mountain bike) clipless shoes. I've got them on my SS/FG and a couple of road bikes. There are a number of mountain bike and "urban" cycling shoes you can wear and walk around in all day.
Besides the power transfer, I feel more secure and can pull up on the pedals as well as mash.
Chrome Kursk Pro 2.0 Bike Shoes - Men's
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