On the odd occasion I have found that my hooklength tangles upon the cast & leaves the whole rig in a mess which you only discover when reeling in. It doesn't happen every time but having confidence in the rig & presentation is everything as we all know! I use PVA mesh & thread the hooklength up through it to connect the rig, the only solution I can think of is to thread the hair separately through the bag & then put the bait on. This way the hair rigged bait could be pushed tight up against the PVA mesh & the hook inserted so that the whole thing is tight. I cannot imagine it's an easy task though in the dark or cold so anyone have any simpler or alternative suggestions? Thanks in advance.