Nope, not kidding, this is an actual product you can buy and wear...if you have a beard that is.
On Amazon, for $10 (plus shipping) you can buy the kit below which consists of 24 bobby pins and jingle bells to deck out even the fullest beards with Christmas cheer.
The fella below, takes it one step further and performs a rendition of "Jingle Bells" with his Jingle Beard.