I have an all chain rode and always use a bridle. I put a loop of chain between the boat and bridle attachment point that acts like a kellett. I understand a properly placed kellett would be more effective, but the length of chain is easy to deploy. The long loop of chain certainly does help in dampening the boat surging against the chain, and it also puts weight on the chain hook, that is on the end of the bridle, keeping it tight. I always use a long loop of chain but never enough to reach the sea floor. -- Shay Glass