Korkers Triple Threat Blank SoleKorkers Triple Threat Blank Sole Build Your Own Sole. Choose Any Of The Three Korkers Triple Threat Options Including Carbide Spikes, Aluminum Hex Disc, Or Aluminum Bar. You Can Also Mix And Match These Options To Product You Own Unique Sole Traction Pattern. Korker's Triple Threat Blank Sole provides solid, edge to edge coverage that morphs to surrounding geology for a solid grip. Choose from accessory components: Carbide Spikes, Aluminum Hex Disc,