How do i take off a clear case protector of my blackjack cell phone?

i would like to take it off because i messed it up inside and i find it so hard to do it. i don't have any clue on how am i gonna take it off. anyone please help me.How do i take off a clear case protector of my blackjack cell phone?
The same way you put it on... but backwards...

Do puppies lose their