We just had a nice storm come thru here on eastern LI and my 24' Grady started moving. The 300llb mooring i set myself with 24' of 1/2in chain wouldnt hold her. 5 1/2 feet of water at high tide! Anyways has anyone used a helix mooring (http://store.hamiltonmarine.com/brow...-/4,36140.html) with...