No pun intended - sometimes we are trapped! In our body, in the things we are wearing, in our environment ... In this case you do have the more physical kind of entrapment .. one that I reckon you could escape, if you are fast enough, right? But will our main character be able to do just that? You'll have to watch to see of course.
It is a short one, so whatever flaws you may feel this has ... it is still nice one. Of course effects are good, but sound effects are really all the money in this one - I hope that makes sense, but you get what I mean. Hearing it, is almost as painful as feeling it ... almost ...