Factory exhaust manifold help

[Raycer X]

Anybody out there have any neat tricks or tool suggestions that help them tighten the 10mm bolts and the 15mm nut that hold the drivers side factory exhaust manifold on. I have the heat shields already on and all of the bolts and the nut started and am having a hard time getting to them to tighten. I have done this before successfully but time, beer and 100 degree heat have made me forget how. Thanks Ray R