おりん磨いてみた
4:59
錆びた仏具はどこまで甦るのか
11:41
錆びた菜切り包丁を19時間磨いたり研いだりした結果 Rusty Japanese knives Restoration
42:06
We Attempted Swing Painting! - Ben's Worx Maker Vlog
16:07
The process of making seals whose prints float and disappear! Amazing factory in Japan!
21:10
I made a (3+3+3+3)+3 axis tourbillon
6:01
千円銀貨を激安で手に入れたので磨いてみた！！
21:24
Prince Rupert's Drop EXPLODING in Epoxy Resin at 456,522 fps - Smarter Every Day 273
12:59