{
  "name": "Dumbbell Curl",
  "primary": 2,
  "camera": {"zoom": 0.7},
  "working": ["arm_r", "arm_l"],
  "props": [
    {"type": "dumbbell", "at": "hand_r"},
    {"type": "dumbbell", "at": "hand_l"}
  ],
  "frames": [
    {
      "hold": 0.4, "tween": 1.0,
      "root": {"pos": [160, 64], "pitch": 3},
      "spine": [0, 0],
      "neck": 2, "head": -4,
      "shoulder_r": 3, "elbow_r": 10,
      "shoulder_l": 3, "elbow_l": 10,
      "hip_r": 3, "knee_r": 2, "ankle_r": 0,
      "hip_l": 3, "knee_l": 2, "ankle_l": 0,
      "pins": {"foot_r": [158, 148], "foot_l": [162, 150]}
    },
    {
      "hold": 0.4, "tween": 1.2,
      "root": {"pos": [160, 64], "pitch": 3},
      "spine": [0, 0],
      "neck": 2, "head": -4,
      "shoulder_r": 6, "elbow_r": 128,
      "shoulder_l": 6, "elbow_l": 128,
      "hip_r": 3, "knee_r": 2, "ankle_r": 0,
      "hip_l": 3, "knee_l": 2, "ankle_l": 0,
      "pins": {"foot_r": [158, 148], "foot_l": [162, 150]}
    }
  ]
}