I pinched these pins a couple of times to see if they'd open, but they didn't. Probably a good thing not to be running around with a sharp safety pin hanging off my French Cuff. Luckily, these are just funny replicas. I appreciate the simple inventions in life including the brilliant invention of this clever fastener. Anyone know where to buy a paperclip money clip? Cufflinks arrive in in a presentation box suitable for gifting. Made from rhodium silver so you never have an issue with tarnishing. Cuff-Daddy's Lifetime product guarantee applies to these and all of our products