Golf Headcover For DF3 Mallet Putter Center Shaft Head Cover for Mallet DF3 Putter Cover Golf Bags Carts Headcovers GolfWRX Golf Headcover For DF3 Mallet Putter Center Shaft Head Cover for Mallet L.A.B. Golf DF3 Putter Review Golf Monthly. The Goldensoulgolf Khalhon?? DF3 club cover is a special edition piece engineered around two core principles: Fit and Protection. The interior pattern is precision cut to mirror the subtle contours of the DF3 putter head, while an elasticized opening provides effortless on off access and prevents unwanted movement during play. Both exterior and interior are crafted from premium cowhide for an elevated tactile feel and lasting durability. The design fuses the classic, refined spirit of the golf course with a clean, street inspired aesthetic. Goldensoulgolf?s signature graphic and Khalhon?s minimalist label sit proudly on the front, creating a discreet yet distinctive look. Designed to stand out in the bag after the round, this cover is released in a limited run.