this battle scarred fragment I recognized as from a glued coti missing the backing.
Attachment 257643Attachment 257644
After lapping, on a whim I decided to attach it to a scrap piece of vinyl board. The vinyl was easily cut to the odd shape and perfectly waterproof as it is designed to frame exterior windows & etc.
Attachment 257645
Its surface is the most 'wavy oak' pattern of any of my cotis, with the grain appearing and disappearing with rotation toward light source (similar to ivory). swarf collects first on the browner bands, remaining visible even under clear water (no slurry) probably by electric attraction as it is easily wiped off.
Attachment 257646 it is very fast, here is swarf on one end after a few circles with a Schrade USA carbon steel pocket knife. the backing gives a nice working height.
One sheffield razor on it so far, and a lot of fun. It does slurry easily as well, a nice yellow cream.
