Viscera and muscles of sheep. Toilet tendon head and brain is a northeast dialect, which refers to all kinds of leftovers, muscle tendons and other things, so sheep's hoof tendon head and brain refers to sheep's internal organs and muscle tendons. Braised mutton tendon is a dish. The tendon-head banao is made of mutton, sheep tendon, sheep belly, sheep heart tube, sheep plate tendon, sheep tendon and so on.