I made a heat pack today, but I did something I never usually do. I filled it with rice. Rice is not usually my choice for filling because it doesn't usually smell as nice as corn (in my opinion), or stay warm as long when it is heated, so I have been very partial to corn. But the corn pack I made today was out of the smoochiest material and smaller than the typical size bag I usually make, so I thought it needed a smaller grain to fill it with. The feel of the smaller grain adds to the smoochy soft material.