{
  "name": "Arm Curl",
  "primary": 2,
  "working": ["arm_r", "arm_l"],
  "props": [
    {"type": "scene", "shapes": [
      {"kind": "line", "pts": [[116, 134], [150, 134]], "w": 8, "depth": 8},
      {"kind": "line", "pts": [[136, 52], [164, 70]], "w": 8, "depth": 8},
      {"kind": "line", "pts": [[164, 70], [164, 128]], "w": 5}
    ]},
    {"type": "bar", "at": ["hand_r", "hand_l"], "angle": 90, "halfLen": 6}
  ],
  "frames": [
    {
      "hold": 0.4, "tween": 1.0,
      "root": {"pos": [130, 124], "pitch": 2},
      "spine": [0, 2],
      "neck": 4, "head": 10,
      "shoulder_r": 59, "elbow_r": -23,
      "shoulder_l": 59, "elbow_l": -23,
      "hip_r": 84, "knee_r": 64,
      "hip_l": 84, "knee_l": 64,
      "pins": {"foot_r": [176, 150], "foot_l": [180, 151]}
    },
    {
      "hold": 0.4, "tween": 1.2,
      "root": {"pos": [130, 124], "pitch": 2},
      "spine": [0, 2],
      "neck": 4, "head": 10,
      "shoulder_r": 59, "elbow_r": 85,
      "shoulder_l": 59, "elbow_l": 85,
      "hip_r": 84, "knee_r": 64,
      "hip_l": 84, "knee_l": 64,
      "pins": {"foot_r": [176, 150], "foot_l": [180, 151]}
    }
  ]
}