In the Argonautica, Polydeuces kills the Bebrycian king Amycus with a pair of these objects made of cowhide. In the Aeneid, Entellus wins a contest using a cestus, an object of this kind. In the Gylfaginning, one of these objects owned by Utgard-Loki turns out to the "great hall" in which Thor and his servants had experienced earthquakes during the night. A set of these objects had to be used because a gadfly sent by Loki distracted Brokkr and forced him to make a (*) weapon's handle much shorter than it should have been. The belt Megingjorth, a hammer, and a set of these objects named Jarngreipr are the most important possessions of the Norse god of thunder. For 10 
In the Argonautica, Polydeuces kills the Bebrycian king Amycus with a pair of these objects made of cowhide. In the Aeneid, Entellus wins a contest using a cestus, an object of this kind. In the Gylfaginning, one of these objects owned by Utgard-Loki turns out to the "great hall" in which Thor and his servants had experienced earthquakes during the night. A set of these objects had to be used because a gadfly sent by Loki distracted Brokkr and forced him to make a (*) weapon's handle much shorter than it should have been. The belt Megingjorth, a hammer, and a set of these objects named Jarngreipr are the most important possessions of the Norse god of thunder. For 10 points, name these items of clothing, an iron pair of which enables Thor to grasp Mjolnir