How to make a toy with joints stiffer?

I want to make my toys poseable, but the joints are too loose and the toy flops over. Is there something I can do that won't damage the toy, but help make the joints stiffer?How to make a toy with joints stiffer?Small wedges of paper or matchsticks or even cigarette rolling papers folded may be able to be slid in and stiffen up the joints, if I understand you correctly. I have gotten this to work on some display figures.How to make a toy with joints stiffer?I'm sorry, you want to make your doll stiff?