Wear this on your collar and BAM! No longer will your interactions be misconstrued as affection - or worse - love. Now all of your thoughts and feelings are right here in plain stupid English so your idiot human will finally understand you. 
25mm (1 inch) diameter
CLAWTION: Watch out for pricks. Oh, and there are sharp parts on this collar pin too. That's why it's called a pin. Duh.