DO-IT Wacky Head Jig mold model WCK-5-AWG features 5 cavities ranging in size from 1/16oz up to a 1/4oz. Mold calls for the special Wacky Jig Mold hooks. See table for hook size requirements. Wire weedguard insert required. Wacky jigs are fast becoming one of the most popular finesse bass jigging techniques today.