Where was the first carhop on roller skates?

The first carhop on roller skates was at a drive-in restaurant called Kirby's Pig Stand, which opened in 1921 in Dallas, Texas. This innovative service model allowed waitstaff to serve customers in their cars while on roller skates, enhancing the dining experience and setting a trend for future drive-in eateries. Kirby's Pig Stand is often credited with popularizing this unique approach to fast food service.