From Secret Lures: Designed in conjunction with theSecret Lures 3.7 Stupid Tube, theStupid Tube Head serves asa weedless fishing system. Anglers use the standard Stupid Tube Head in the 4/0 IN THE STUPID CRAW!Thesnag resistant rigging provides anatural and enticing action, triggeringa predatory response infish. Stupid Tubes fall throughthe water in a seductive spiraland then erratically dart with everylift of the rod tip. Fish dontjust bite the Stupid Tube – theyeat it!