[cjbgkagh]

Maybe if the law required all knives to be pink they might be too embarrassed to murder someone. One problem then is the switch to acid attacks which are just clear liquids in containers.

[int_19h]

It reminds me of a certain meme gun along these lines.

https://www.reddit.com/r/ATBGE/comments/b4d9gy/unicorn_rifle...

(Yes, it is a real gun and it shoots real 9mm bullets.)

[beeflet]

You could require that all acids are also dyed pink