Thank you bud
It could also be the smart disc which is also a edged weapon. Yeah you might be right Hicks bud, maybe it was the wristblades but since we never see the weapon it will always be a mystery. If you listen closely you hear the weapon activate/extend and it sounds just like the spear when the Predator was extending the spear weapon during the scene were he gets struck by lightning. Yeah so now we got 4 choices of weapons it could be