A cosmetic extra we often use are small feather inlays on ferrule reinforcement wraps. These are often done with jungle cock nails. See the various examples below.

Garnet Thread on Polished Graphite Blank

Plum Thread on Plum Colored Blank

Spice Thread on Honey Brown Colored Blank

Golden Brown Thread on Golden Brown Colored Blank

Golden Brown Thread on Walnut Colored Blank

Olive Thread on Golden Olive Colored Blank

Black Thread on Matte Grey Blank

Brown Thread on Golden Brown Colored Blank

Golden Olive Thread on Golden Olive Colored Blank

Dark Grey Thread on Polished Graphite Blank

Cobalt Thread on Cobalt Colored Blank