Line use is an advanced technique. Only a trained diver who understands and has experience should use it. Don't penetrate a wreck beyond the edge of light and access to the surface WITHOUT a reel.
Click here for my story - I nearly died from a reel on a wreck, so I can relate to the dilemma.
Click here for my story - I nearly died from a reel on a wreck, so I can relate to the dilemma.