Gastin the Crazed Rancher lost his prized bulls when trying to ship them over from Skara Brae. The bulls are now roaming an island just outside of Skara Brae. Talk to Gastin in the Britain Farmlands to start the quest. Kill the prized bulls on the island outside of Skara Brae to collect Gastin's prized leather. Bring 20 pieces of prized leather to gastin and you will receive 1 bag of strength! This bag is hue 1153, holds up to 500 items and a max weight of 2500 stones.