Sometimes you need to remove the nails holding a piece of wood rather than just pulling the whole thing off in one violent go. Getting nails out first allows you to carefully remove a whole piece of wood, without damaging any surrounding planks. It’s best to just show you with an example, I think. This morning I had to remove the bottom few rows of some ‘double lap’ or shiplap type cladding because it was past its best. But I wasn’t taking it all off so I had to be …