Robert Morein said:

I can confirm that this works really well for any table or chair, that
rocks. Usually one has to use an entire pack of postit notes. Corrugated
cardboard is a cheaper alternative.

A more high-tech solution would be the Matchbox version of a hydraulic
jack. I think it's included in the Matchbox Garage set.





--
A day without Krooger is like a day without arsenic.