Is there a scientific explanation for the curve of Japanese katanas and swords in general? - Quora
A shashka, Asian model 1834 for enlisted Russian men Curved, single-edged blade with fullers on both sides. On both sides of the base of the blade subsequently added, etched cartouches with cypher "
What is better katana or checker. Cossack checker against the Japanese katana. Checker and its combat characteristics in comparison with other types of similar weapons