I know the mid- 80's Pearson 28-II
has an anchor locker and so I assume your boat does, as well. The easiest thing to do is the bolt and back plate a big simple horn cleat into the side of the locker for the bitter end of your anchor line. Having just said this, my H28.5 has an anchor locker in the bow and I bought the cleat for this purpose a year ago, but have yet to take my own advice.... In the interim, whenever I plan to anchor, I tie off the bitter end of the rode to a mooring cleat before dropping the hook...