the old tavern-keeper 's great-grandfather had heard from her great-grandfather that the traveller who scratched that picture had climbed ngranek and seen the carven face , here drawing it for others to behold , but carter had very great doubts , since the large rough features on the wall were hasty and careless , and wholly overshadowed by a crowd of little companion shapes in the worst possible taste , with horns and wings and claws and curling tails .