most people camping in black burrow don't know what this is for. Sometimes it helps to shout for the item that you want the tunic and the legs can usually be sold for 10pp which isn't too hard to get if you make constant loot runs to sell off the junk you have looted from the gnolls i have found most of the harder to get pieces on vendors. One note of curiosity having been on fiorina vie i was unaware that certain items needed to make pine scout aromor were no drop. Since most everything there is tradeable. If anyone disagrees that this armor is worth their time i personnally wore most of mine into my late 20's and once met a ranger wearing a full suit of pine scout at lvl 38. The complete suit is actually impressive for newbie armor.
You can usually get 'Ruined Gnoll Chain / Leather' items from anything tougher than Burly Gnolls, most often from Guardsmen and Elite Guardsmen downstairs in BB. Rangers need the chain items (coif, coat, gloves, bracelet(s), leggings, sleeves, for their 'Pine Scout' gear quests. Druids need the same items in leather for similar 'Pine Druid' gear.
Once obtained and cured with other items in the recipes, you get decent newb armor with some + factors.
It may be less common but it actually does drop off much lower mobs...at least the other chain items, not sure about the coat. I got a bracer, pants and coif (cap) off gnolls, patrolling gnolls and possibly a scrawny. I was untwinked level 6 fighting nothing tougher than even con.