Originally Posted by catamount
The Problem with svHyLyte's suggestion is that you need a forward pull on the tack line, otherwise all the pressure of the sail will come on the first luff slide above the reef.
Here's one possible solution -- add a small block on a strop to the top of the boom to help re-direct the reef line so as to avoid chafing against the edges of the sheave box:
This isn't a bad suggestion.
However, the simplest solution is to remove the bull'seye block from the mast.
Alternately, one could simply use a double sheave exit block on the boom such as the Harken H089:
"It is not so much for its beauty that the sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."