[WaifuApple]

The mapper who created this is an idiot. (that idiot is also me)
They forgot to make the tiles under the cloth dense, meaning that you can walk under them, at which point you can get onto the wall tile of the rope. You can't escape into the void, but this is unintentional.

This also occurs in the dressing room, too.

[Neus]

This has been corrected in 2.77b.

Sadly I couldn't find a fix for Appo being dumb, so that'll just have to stick around for a while...

[WaifuApple]

its a hardware bug dw about it