Old-time, breakdown fiddle tune from the Virginias/Kentucky area. Barlow Knife is named in reference the English folking knife-maker, Barlow. "Barlow Knife" is also known as "Cabin Creek". The "Barlow Knife" versions occasionally have these lyrics -
I been livin' here all my life, All I got is a Barlow Knife; Buck horn handle and a Barlow blade, Best dang knife that ever was made.
I've been married all my life, And all I've got is a Barlow knife.