Sharks on fly

Anyone try flyfishing for sharks much ? I am thinking about going out and setting up a chum slick to draw some sharks into casting range. Any tips / suggestions / warnings ? Also, for catch and release purposes, is there a good way to gaff a shark or otherwise get it up for a good picture and still release it without jeopardizing any limbs or digits ?

“Fish keep a man out of trouble” - Robert Ruark