Oak limbs over roof, began from-roof by rigging pieces to themselves and cutting with both power-polesaw & regular polesaw to finish (much like the chainsaw+handsaw combo we employ aloft, works a charm with polesaws too ;) ) Then DW'd the pieces, clearing the roof by at least 3'+, went swimmingly :)
Keen to gather thoughts on the difference between three different double-whip rigging setups (when used for negative blocking). Or put in another way - "keeping friction up in the tree when negative rigging". All three setups assume a bollard of some sort being used at the base of the standing...