Visit T.C. McInerney in Abilene
ask McInerney boots
ask McInerney specialized
He asks you to get leather from an exotic shark, a particularly fine longhorn, a kangaroo and a hog.
Longhorn is a random longhorn in Abilene, exotic shark is the Goblin Shark near Redbeard, Kangaroo is a red kangaroo in Dreamtime and a hog in Zanzibar. The shark leather is random load.
Give the leathers to McInerney one at a time, return after a few hours and he will give you a pair of custom-made cowboy boots