Geek Links: Father-Son Rap Duo Knuckleheadz Explore Comparative Zoological Physiology

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Knuckleheadz, the markedly more family-friendly musical project from Virginian hip-hopper Stevie D of Illbotz (Ol’ Dirty Dada) also featuring his 5-year-old son (Grandmaster Jax), have just dropped a brand new music video. Enjoy “Turtles Have Short Legs”—the second single from their debut album No Sleep Till Bedtime—with your favorite rap-loving preschooler!