The Esoteric Monk Weapon Graphic Problem

Are the fist suppose to expand and have a gaping black hole to where you insert your fist into?
http://i.imgur.com/6wxA5VM.png

compared to:

http://i.imgur.com/2prbpP5.png

I asked my Magic 8 Ball and it said "Most Likely"

"That's Interesting."

Yes it designed to expand when equipped. You'll see this function when Widargelt use Rising Sun since he uses AF2 set now.

When sheathed the knuckle retracts to a smaller form.