PayandPack 2 Sides Golf Club Groove Ball Brush Cleaner Tool w/Snap Clip Green 10pk 2 Sides Golf Club Groove Ball Brush Cleaner Tool. 10pcs Durable 2 SIDED GOLF BRUSH CLUB CLEANING CLEANER with BIG SNAP CLIP for Better Backspin and Golf Performance 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.