Naniwa 3000 vs Shapton 5000
30:15
Piedra de afilar barata (Shapton Kuromaku) vs cuchillo de baja calidad
35:50
The best 1000 grit whetstone : Shapton Glass vs Naniwa
35:57
Naniwa Chosera vs Professional vs Miyabi
19:56
Sharpening an Itsu Doi Gyutoh on Shapton Pro
20:14
Suehiro Cerax 1000 vs Rika 5000
24:51
Shapton Kuromaku: Piedras baratas de pulido ultrafinas
12:31
Don't Waste Your Money On The Wrong First Sharpening Stone
33:22