Possible Clues:

• Cloth made from fine hairs of seed pod
• Business takes abstainer on to produce thread
• That's the stuff that provides so much weight under the bed
• 'Is the little bed very heavy, although made of such light stuff? (6)'
• That's the stuff that gives weight to a little bed
• Study including exaggerated material
• Bed time with touching yarn
• Firm rejected over the top, new material
• Material produced by German in Cavan
• Material