Over their chest
Identify some posture and resistance constants of an effective resistance posture
You can purchase it from the special merchant that is found... if you look in map view, you should see a person. That is the special merchant. You now click "buy items" and if you have enough ancient coins (which are found by adventuring and in certain places there will be ancient coins laying around) you can buy the escape dust.
Um...escape? You're not trapped in there. Then you should go explore!
Press "Escape", or "Esc", and go to the little gear at the top, click it, and shift lock should be the very first thing, click once to make it say "On", press escape, and you should be able to press shift to enable it!
Click on the door 3 times (knock knock knock).
over their chest
over their chest
Behind head
Their chest
go look
Behind head
Over their chest
over their chest
Their chest
over their chest
over their chest
Over their chest