How do I unwind 2 tight coaxcial cables?

[minun]

I want to split the Coax Cable in my room but they are so tightly connected I can not unwind by hand, any advice?

 

[Supahos]

7/16s wrench

 

[USAFRet]

I want to split the Coax Cable in my room but they are so tightly connected I can not unwind by hand, any advice?

"2 cables"
or
"Too tight cables"

It makes a difference.

 

[jsmithepa]

Can always cut the junction and redo the ends.