cwilson, you have a great double rifle

I see it made in 1893/94, it have correct german proof come in use in 1893 and bears the name of franz von dreyse who died in 1894. excellent double rifle in a great caliber also the very first Dreyse double having a stock with pistol grib and till now the F. v. Dreyse gun with the highest serial number. can you show in steps how to lock and unlock the firing pins?