What is the purpose of the extra long slot on some toasters?

What is the purpose of the extra long slot on some toasters? swan long slot toaster The long slot design allows you to toast any size waffles, bagels, and artisan breads The extra wide slots can accommodate both thick and thin slices and the swan long slot toaster Variable slot width, N Number of slots, 4 Long slot, N Electronic browning control, Y Number of browning levels, 6 Variable crust browning control, Y

swan long slot toaster Buy Swan ST10090N 4 Slice Long Slot White Toaster from Appliances Direct

red wizard demo slot Swan ST10091N 4 Slice LongSlot White Toaster  This toaster is slim, quite nice looking and unobtrusive It toasts quickly and evenly The two slots are long and large enough for two slices of sliced bread