露先金（雫金）Tsuyusakigane (Shizukugane) /  Dew Point Metal (Drop Metal)

What is Tsuyusakigane (Shizukugane) in Japanese Katana terminology?

Also known as ""Shizukugane"". This is a metal fitting that covers the tip of the ""Udenuki-o"" (a cord wrapped around the wrist to prevent the Japanese sword from leaving the hand), which is attached near the top end of the handle (Tsuka).