Dorsal spines create a webbed or spined section along the spine. Dorsal spines go on top of your dragon's body. They do not need to extend the entirety of the dragon’s body. You may create betta-like fins and even sails using this modifier. You may choose to have these spines movable by your dragon, similar to the sailfish’s namesake. Optionally, you may add webbing to the spines.
Examples:
Charged Dorsal Spines:
This allows you to create two lines of spines, running symmetrically down the body. They should still be positioned very close to the belly.