How to eat chilli crab

The first thing: prepare yourself and watch a video first.

Then ensure that you have the right PPE. Obviously covering your mouth is not an option. Covering your whole body in a washable suit (including your head) is advised.

This is a messy enterprise. Juice/gravy will splash everywhere, shards of shell will send your dinner companions to ICU, and your PPE suit will look like you're a serial stalker who's just dismembered obnoxious Balinese tourists with a particularly vicious chain-saw.

Then ensure that the place you're eating at should at least supply plenty of hand towels, tools which would include a shell cracker as well as a "get the meat out of the skinny leg spike".

And then, ensure you have time and aren't particularly hungry.

Or, my advice, just eat the Nasi Goreng.

(Image from https://universalrover.wordpress.com/wp-content/uploads/2015/03/chili-crab-eat-with-hands.jpg).