Could someone please identify this unusual insect?

Observed near a park in Petaling Jaya, Malaysia. It has a flat back and raised spines on both sides but those don’t look like they can hurt anything and are merely there for decoration


Cleverly placed by Ben (brenen66) in the Forum and main site
here https://www.ispotnature.org/communities/global/view/observation/772758/flat-backed-insect-with-raised-spines-on-back
1 Like