If we all start buying what we want in extra DRK and after that try to make some kind of agreement not to sell.
I know it might sound stupid but it might work
"Everybody start buying" sounds like a great idea, even in small amounts.
"agreement not to sell" is a prisoner's dilemma. It would benefit everybody to hodl, but some people will betray the cause due to purely rational self-interest.
To quote Robin Williams (as the Genie): "Well, here's hoping"