Clicking noise, Help!

I just got to Moab and this awful clicking noise started on the way here. Its coming from toward the back but i cannot pinpoint it. Im thinking its in the driveshaft,it tends to be worse when I accerate or brake hard but is terribly inconsistent. Does anyone have any ideas what it is?
https://youtu.be/yy_f4baCeiE

 

Damn, that doesn't sound good at all. Sorry I am no help but I'm curious as to what it is.

 

Its kind of a lame prank people play sometimes putting a zip-tie on a drive shaft. I'd rule that out.

put the ass up on axle stands, put it in neutral, and get under there and turn the axle and wheels. You should be able to hear where it is pretty quickly.

 

something loose in your drum tumbling around maybe?

 

So I took it to a shop this morning and it was the rear ujoint was bad.

 

Hmmm. Makes sense. Glad you got it fixed.