#spike  sports equipment consisting of a sharp point on the sole of a shoe worn by athletes; "spikes provide greater traction"
  supertype:  sports_equipment__sporting_goods  equipment needed to participate in a particular sport
  part of:  shoe
  subtype:  climbing_iron__crampon__crampoon__climber  an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
  subtype:  piton  a metal spike with a hole for a rope; mountaineers drive it into ice or rock to use as a hold
  subtype:  pricket.spike  a sharp metal spike to hold a candle

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