Have not but a brisket on a slicer yet. for multiple briskets, we have always used an electric knife.
Would love to see a pic of your vending truck.
-Captain of Barkin Dawgs BBQ
-KCBS Judge #21924
-36" Kingfisher Combo
-New Braunfels Bandera (rescued)
-Weber 22.5" Kettle (rescued)
-A homemade trailer cooker
-Concession trailer nicknamed "The Dawg House"