Possible Clues:

• Old song: 'Look for the silver . . . . . .'
• It's in the inside - twice in the inside
• Old song: 'Look for the silver . . . . . .''
• Inside of coat (or outside of cloud?)
• In in, in what's in
• It's found on the inner side of a garment
• It's all inside with the inside in at the double
• It's all inside and twice in inside
• Inner piece of material
• Material laid inside another