You step up to the line, dart in hand, eyes locked on the bullseye — and someone asks, "Wait, are we even standing in the right spot?" If that question has ever killed your momentum mid-game, you're not alone. A board hung two inches too high or a toe line marked eight inches short quietly wrecks the muscle memory you've spent months building. Whether you're setting up a basement game room, prepping for a league night, or just finally committing to a permanent installation, t