Naniwa Pro (Gouken Arata) #400, #1k, #3k test on vg10
17:40
1k King vs 800 chosera, a comparison
24:03
Naniwa Chosera 600 grit stone! Sunday Sharpening!
33:22
Shapton pro whetstones, First impressions.
21:13
Whetstone Wars - Battle 3000 - Naniwa Professional Stone (New Chosera) vs. Suehiro (Ouka)
25:31
Naniwa new omurato 150 and Shapton 320 comparison
18:22
sharpening a few nakiris on the Naniwa Chosera 800 and 3k
38:33
How to Sharpen a Knife Like a Pro: Tips and Tricks
41:52