Megastrike Pro Series E2 Shakey Head Jig, Pack of 4 The e2 Shakey head has two keeper collars. One collar to thread soft baits onto the jig hook shank as in traditional exposed hook jig fishing. The second keeper collar lets you rig baits weedless (aka shakey jig style) when snags are present. Powder Coated finish stands up to tough conditions. Can be rigged either weedless, or exposed. Pro-Style has a "screw-in" baitholder