Marttiini- 2230010 -Lapp Beinmesser Fixed Blade Knife ( 9" Stainless Steel ) Marttiini Beinmesser Lapp Knife with Horn Handle. 9" overall. 4-1/4" stainless blade. Curly birch and reindeer horn bone handle. Leather belt sheath. Marttiini knives have been made in Finland since 1928. The founder of the factory, Janne Marttiini, emphasized from the very outset the significance of efficient working methods, product development and professionalism. By nurturing respected traditions, the Marttiini knives have received worldwide acclaim.