What they could do is one of several things; hang it on a line to let the wind blow off, toss it into the dryer with a slightly damp cloth dipped in white vinegar or use a lint roller all over it until nothing shows up. Only thing is hair is one thing dander is another. Dander sticks more than hair. Usually happens when the quilt tops are squared on the floor. I amazed at those who don't sweep their floor before squaring.