The shape of the bristles is such that they are perfect for entering the record grooves and cleaning them thoroughly. Ideal with Tonar QS & Other Record Cleaning fluids for Manual Cleaning or for appying Cleaning fluids on RCM record cleaning machines Ideal Wet Record Brush for Vacuum RCMs & as replacement for Old or Solied RCM Brushes The wet goat brush works best when wet and is an effective record cleaning brush.to apply your Cleaning Fluids A record brush from Tonar with bristles from a Goat!