Doug,
I am your size and I single hand.

I switched to the 'ball and socket'. After 1 season, all is well. I re-rigged the set up to eliminate the pulley. Now I have Kevlar direct( from the trap wire) to a pre-set height on the 'ball' part. Works great and one less thing to break.
The 'ball' hangs in the socket and after you 'feed' it to postion, it stays there, does not 'fall out' at an unopportune time, like the' hook and ring' can. So, it works well in the tradewinds of the Caribbean.

By the by, skippers our size gotta check out those welds, I have broken welds on the dogbone ring, hooks on harnesses. It is no fun to be in competition and have this stuff go.

Have you considered a half harness? I have a Murray Race half harness and a 8 year old Magic Full HArness, all fabric with a leather butt. If it is over 20 mph and 4 footers, I go full harness. Otherwise, the half harness is almost as good and the freedom of upper body movement is 100%.

Whatever you choose, make sure you like it!

regards

Bruce
St. Croix
I 17 Euro