I suppose you could mount this on your bus pass if you must but it really isn't necessary.
Tell your friends you hunted it yourself!
My home is only accessible by the magic of unicorn power!
His horn's too stubby and cute to do any damage, go ahead, wear him every day!
You've always dreamed of being a magical, mythical being, admit it! Now you can get one step closer. Toss that mane, girl!
Isn't it nice to snuggle with a narwhal without getting stabbed in the eye?