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"Rostfrei" is actually German, meaning "stainless". Switchblades stamped with "rostfrei" are generally lower quality although they can be ok knives for the money. If you want a switchblade just to have one (if its legal for you to have of course) they will be fine. If you're looking for something nicer or higher-end, you may be disappointed.
At the base of the blade ontop there's a flat plate that's the lock pull on it
"Rostfrei" is German, and means, "it won't rust". It is not a trademark.
Rost is the German word for rust. Rostfrei means it won't rust.
No.
Black Pearl is artificially cultured. it was very popular for handles of switchblade and gravity knives, black with white streaks- usually the stocks ( borrowing gun terminology) and the blade and action were made in Italy.
The Cross and the Switchblade was written in 1963.
Switchblade Honey was created in 2003.
Switchblade Valentines was created in 2004.
Strawberry Switchblade was created in 1981.
Switchblade Symphony was created in 1989.
Razer Switchblade was created in 2012.