I don't have any tong or gloves. Which is better to shape them with seeing as how I will have to buy some. and THEN I have to get my caregiver person to allow the use of boiling water.. So, am I supposed to shape them while they're in the hot water or AM I supposed to lay them flat on like a plate or something and then run the water over them?   moon dust? Moon dust will shrink one side and lengthen the other side.   Buy Moon Dust at your favorite Hobby Store. Be ware of scams regarding Moon Dust making you pay good prepaid Credit for simple leftovers and sprues ground into dust. Moon Dust is a complete mystery.