Thanks for the vid.
Yancey Derringer (Jock Mahoney ?) had Derringers stashed under his hat, spring loaded up the sleeves, and for back-up, a side kick with a cutdown two barrel smoothbore.
Palladin had a seldom seen Derringer behind his belt buckle.
I seem to remember one in 'Red River' and 'The Searchers' also.
Bread and Circuses don't pay the Bills.