Here we go again. The main is on and working great, but the jib is another story. I have a DCI roller furling system. How does the tack of the jib attach to the drum on the roller furling? There are two "u" shaped shackles one for the jib halyard and the other to connect the tack of the jib but the shackle is too small to go thru the grommet on the jib. I'm sure ther is something that goes between the grommet and shackle but I'm not sure what it is.