It's actually bio-inspired:
www.herpetologynotes.seh-herpetology.org/Volume6_PDFs/Shea_HerpetologyNotes_volume6_pages467-470.pdf
( , Mon 9 Oct 2017, 12:48, Share, Reply)
www.herpetologynotes.seh-herpetology.org/Volume6_PDFs/Shea_HerpetologyNotes_volume6_pages467-470.pdf
( , Mon 9 Oct 2017, 12:48, Share, Reply)