Traits

Includes tusks, saber teeth, backward-facing teeth, serrated teeth, multiple rows of teeth, abnormally shaped teeth, etc. (does not include the fangs of venomous types or a slight under/overbite.)

Double, triple, or more spines along the back. 

Adds an extra horn in the middle of the head. The shape can vary.

Creates thorny, spiked scales that are not present in the snake inspiration. (non-viper snakes)

Adds a very small set of horns before or after the main set.

Adds iridescence to Serptails that is absent from their snake inspiration.

Heavy, overlapping scales that resemble armor. It can cover the spine, legs, neck, and tail.

Includes ears that extend past the shoulder, folded ears, floor-dragging ears, double or split ears, absence of external ears, and very abnormally shaped ears.

Includes any addition to the tip of the tail not present in the snake inspirations (ex: spades, spikes, clubs, shapes). Rattle growths are NOT allowed.