Holder...always.
Night before...always.

Really couldn't be doing with wiring everything. They can look just as good and after you've done quite a few you can put them together very quickly. You just need to have that image in your head of where everything needs to be and it all falls into place. (easier said than done, i know!) I liked to get things done the night before just in case there were any problems on the morning (less stress!)

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