{
  "input" : [
    { "item" : "icecrystal", "count" : 3 },
    { "item" : "steelbar", "count" : 3 } 
  ],
  "output" : {
    "item" : "ff_icechucker",
    "count" : 1
  },
  "groups" : [ "prototyper", "weapons", "all" ]
}