I bought a "rubber bench block" on ebay, but when I unpacked it, it really stank and gave me a bad headache. I wanted to experiment by putting rubber blocks underneath my bed legs, to stop vibrating floorboards from shaking the bed and waking me up.

Can anyone think of an alternative to rubber please? How about sand, placed in some kind of soft pouch like container? (I'm just guessing here!)

Thanks a lot for any ideas.