An eye splice over a thimble gives a good way of connecting a 3 strand line to a chain, however there is the problem of passing that thimble thru the windlass and into the deck pipe. So...the referenced websites gives other methods for the splice with a statement that an splice thur the last length of the chain (making a U turn ) will reduce the strength of the line by 50%. I don't see how this splice is much different than an eye splice over a thimble with the line making a U turn around the thimble rather than thru the chain length. My thoughts are that the chafe of the line around the chain is the most probable failure mode and that with a sufficent number of tucks into the splice that the line strength is not reduced by the 50 % as stated. The 2 methods referrenced seem to me would be more likely to chafe vs. a U turn around the last chain length and subsequent eye splice.