Here's the fifth of seven scale tutorials! Requested by @tyrocks31, I will explain here:

1. Start with your body outline, DO NOT DRAW THE UNDERBELLY! From about where the underbelly would be, draw a scale as demonstrated above in the pic.

2. Draw a curve from the bottom of the first scale to the back.

3. Draw another curve from the right flat side of the angled scale to the back like in the pic.

4. Repeat.

5. Add the spikes on the scales, which are basically dots unless you have a side view of the neck.

There you go! I hope this helped, others coming soon!
I used a 0.7 mechanical pencil