[
  {
    "id": "prac_knapping",
    "type": "practice",
    "activity_level": "MODERATE_EXERCISE",
    "category": "CC_PRACTICE",
    "subcategory": "CSC_PRACTICE_SURVIVAL",
    "name": "basic knapping",
    "description": "Practice basic knapping by hammering some rocks into rough shapes.",
    "skill_used": "survival",
    "skills_required": [ [ "fabrication", 1 ] ],
    "practice_data": { "min_difficulty": 0, "max_difficulty": 1, "skill_limit": 2 },
    "proficiencies": [ { "proficiency": "prof_knapping", "time_multiplier": 1, "skill_penalty": 0 } ],
    "time": "1 h",
    "qualities": [ { "id": "HAMMER", "level": 1 }, { "id": "HAMMER_SOFT", "level": 1 } ],
    "//": "You destroy the rocks with your practice, leaving you with some pebbles.",
    "components": [ [ [ "rock", 2 ], [ "sharp_rock", 2 ] ] ],
    "byproducts": [ [ "pebble", 1 ] ],
    "autolearn": [ [ "survival", 2 ] ],
    "book_learn": [ [ "manual_survival", 0 ], [ "pocket_survival", 1 ] ]
  },
  {
    "id": "prac_knapping_speed",
    "type": "practice",
    "activity_level": "MODERATE_EXERCISE",
    "category": "CC_PRACTICE",
    "subcategory": "CSC_PRACTICE_SURVIVAL",
    "name": "speed knapping",
    "description": "Practice more advanced knapping by shaping some rocks into precise forms and shapes.",
    "skill_used": "survival",
    "skills_required": [ [ "fabrication", 2 ] ],
    "practice_data": { "min_difficulty": 1, "max_difficulty": 2, "skill_limit": 3 },
    "proficiencies": [
      { "proficiency": "prof_knapping", "required": true },
      { "proficiency": "prof_knapping_speed", "time_multiplier": 1, "skill_penalty": 0 }
    ],
    "time": "1 h",
    "qualities": [
      { "id": "HAMMER", "level": 2 },
      { "id": "HAMMER_SOFT", "level": 1 },
      { "id": "CUT", "level": 1 },
      { "id": "PUNCH", "level": 1 }
    ],
    "components": [ [ [ "rock", 3 ], [ "sharp_rock", 3 ] ] ],
    "byproducts": [ [ "pebble", 1 ] ],
    "autolearn": [ [ "survival", 3 ] ],
    "book_learn": [ [ "manual_survival", 0 ], [ "pocket_survival", 1 ], [ "fun_survival", 2 ] ]
  }
]
