Caddies, meanwhile, are threatening not to cooperate unless they get something in return. McElyea said a retirement fund or better amenities also could be considered. Still, there is resistance. Woods said recently that Steve Williams, his caddie, won't participate. Podany said even if the issue with caddies isn't quickly resolved, ShotLink still could be implemented without the club-selection feature.
Every system has a few flaws to begin with.