WARNING, GRAPHIC CONTENT: A Tesla owner posted a gruesome cut on his leg after parking his truck on “an incline” and blamed himself for the grisly wound, which was mocked by Elon Musk criticsWARNING, GRAPHIC CONTENT: A Tesla owner posted a gruesome cut on his leg after parking his truck on “an incline” and blamed himself for the grisly wound, which was mocked by Elon Musk critics