Is that some kind of torture device?

First though was that they were setting up a trap, but the two there would be the targets for that bait, so that doesn't work.

Kapten-N said:

Is that some kind of torture device?

If skinning is some kind of torture then yes.
https://twitter.com/sokusekimaou/status/797620498637070336

ithekro said:

First though was that they were setting up a trap, but the two there would be the targets for that bait, so that doesn't work.

Who says it isn't a trap for those 2?