The trouble with Maxie...

I am supposing that all of you are well aware by now that Maxie is our amiable household cat. What many of you may not know is there's a troublesome thing about him... ...it happens whenever he comes near us or sits on our laps or whenever we stroke his fur or scratch his ears or rub his head or if he should butt his head against or rub up against our legs and even when he curls up at our feet as well as other numerous situations. Perhaps some of you have noticed this kind of trouble with your own cats and can offer advice? The trouble is---Maxie rattles...