Why did penny loafers used to have a real penny tucked in them?

Yes, I have pennies in my pennyloafers penny loafers penny slot Does The Hangover slot count since you could bet only 50 pennies at a time? Does it have to be a machine where you can bet only one penny? I penny slot machines online free Best Offers on Classy%20penny%20loafers - Upto 20-71% off Sale

penny slot machines in vegas According to one Quora post, the slot in penny loafers was ultimately just a design element People who saw that little slot decided to put