Nagura Stone Japanese Ice Bear Sharpening Stone

Description

Nagura Stone Japanese Ice Bear Sharpening Stone
For cleaning glazed surfaces
Also suitable for creating slurry prior to honing
Equivalent of 8,000 gold stone
Size: 70 x 20 x 23mm

Used for cleaning a glazed surface or creating a slurry prior to honing on finer stones, thereby speeding up the process. These artificial Nagura stones are the equivalent of the 8,000 gold stone and therefore there will not be a problem with particle contamination when used on other grit stones. Size: 70 x 20 x 23mmTraditionally the Nagura Stone was used to help create a slurry/paste on hard to very hard tomae strata awase-toishi used for sharpening tools. Without the use of the nagura these really hard stones tend to exhibit a skipping type surface during sharpening because very little of the host stone is being relieved or ground off in the sharpening process that would normally provide the slurry paste. Soft host stones will give up or provide their own slurry more quickly through use and you can see that this rate of wear in the grinding action and the volume of released surface material is an indicator of the hardness factor between hard or softer stones.A Nagura stone is a small waterstone, the word “nagura” means “correcting” in Japanese. The stone is used to condition waterstones during use. For natural waterstones their use is to wear away hard particles or contamination in the waterstone, and to selectively allow flattening by being rubbed on a high spots on the stone. Another usage is to create slurry.