|Who ever designed this must have been a jock|
Now, doesn't this look like something a boxer might use, or a football player, or hockey player, oh, but wait, this one's special, it's adjustable. What a waste of money. Oh, wait again, you can get a second one for traveling, all you need to pay is shipping and handling. Instead of forcing your partner to sleep with an uncomfortable pieces of plastic in his or her mouth, just tell them to roll over onto their side.