How to Keep Dress Shirt Collars in Place
How To Use Magnetic Collar Stays
Collar Stays and Dress Shirts
Ingenious collar stays that will keep your collar looking crisp and neat with the help of a couple magnets.
also hang slightly damp shirts to dry upside down Fix Perpetually Curling Shirt Collars with Iron-On Patches
Jaymar Mens Collar Stay Bar Gold -- Click image for more details.