I put clipless on a BikeFriday and immediately fell over three times in a month because the bb. is too high to touch the ground securely while sitting and I got momentary indecision whether I was going to step through or over the seat. Pretty embarassing. But still not as embarassing as coming to a stop with toe straps on too tight and not being able to unclip in time. Did that with a light pannier load a few years ago, fell over onto the grass between the curb and sidewalk on my back with the bike in the air. Getting stupid as I get older.