The Breakaway Impact shields are one of the biggest advances in trace technology. Its a neat foolproof system which ensures almost 100% certainty of clean release. no more wondering whether the hook on the sea bed is still tangled in the bait clip. The hook is thrown clear it doesn’t disengage if your lucky,no relying on leader slackness to un-connect the hook as with ordinary wire or plastic clips, When set the hook should be tight into the clip use only enough rubber to stop impact shield moving through wind resistance