PayandPack 3-in-1 Golf Club Brush Groove Cleaner Tool w/Clip Backspin 10 PK 3 in 1 Golf Club Groove Ball Brush Cleaner Tool. 10pcs Durable 3-in-1 Golf Club Brush Groove Cleaner with Big Spring Hook. Better Backspin and Golf Performance in Games. 1 piece 2 brushes. One hard copper brush for irons and one soft brush for woods. Any mud, dirt, or grass can affect the momentary impact/contact, any good golfers should make sure the surface of clubs are totally clean for every next wonderful shot with hitting SWEET POINT.