I’ve mentioned designing props and weapons to accommodate different alien physiology and anatomy. In the case of Ril’s binoculars, that meant doing a slight re-design. In my first pass, I ended up with binoculars that were flat in the back where the user looks into them. But when I started drawing the actual page, I realized that with Ril’s horn, he wouldn’t be able to get the binoculars close enough to his eyes! So I added the telescoping eye stalks. Crisis averted.