Ideally) I usually put 2-3 life steal items and one death strike, and after 1-2 corpses, the hero has a bunch of cows.
P.S. Blade Fury is nonsense; claws don't deal huge damage, and besides, neither Trapper's, nor Crusader's, nor Kicker's Blade Fury skills are boosted, it doesn't fit into the skill order.
For swapping claws: right hand Bartuk's, or any other claws with high damage, and left hand - any claws, from Claws to Scissor Suwayyah with an auto-mod for Blade Fury, and that's it.