They should use the PSA ES, the successor to the PRV.

Reading those older strips its amazing how much Calvin and Hobbes was clearly inspired by them.

Crown Royal is a brown solvent that comes in an oddly shaped bottle in a blue velveteen bag. The bag is for your Scrabble tiles.

Her costume immediately got better as soon as she took the “crown” off ARGH I WILL NOT GET OVER THIS.

Pretty awesome, but this is the one I will always remember for Spark Mandril