Here is a concept drawing of what I have envisioned for the final shape of the shoulder/heel. I traced the blade itself, and then sketched possible alterations over the outline. Disclaimer: I am no good at drawing, painting, etc.

Name: 20170726_173657.jpg Views: 95 Size: 21.0 KB

Top idea is a sort of dimple fingertip grip idea. Second is a flowing shoulerless shape.

Thoughts?