Joe said:
not convinced about closer grip, just learn to pinch your shoulder blades together properly to hold your back tight throughout. closer grip could antagonise your shoulder, especially if you've had shoulder problems before.
Tbh I thought it was pretty decent advice and QHBF's 185kg squat would agree (no nut hug). I think the closer grip does help a lot, the only problem being its harder on the elbows I find.