Possible Clues:

• Cloth - plant
• That stuff is not back, following what is not 1 across
• Plant, its fibres for yarn
• For a little lying over a lot of weight of material
• The yarn of a little bed by weight
• Champion golfer's yarn
• Could so small a bed weigh so much if it's made of this material?
• Onetime Southern 'king'
• That's the stuff to make the bed so heavy
• It's on twig?