The Bulls-eye Brush Clean your clubs & spikes with bulls-eye precision. Exclusive wire technlogoy sharpens grooves. Wire for irons. Groove cleaner. Nylon for woods. Carabiner Clip. Retractable Cord. Guaranteed to Last. Easy Attachment. Easy to Use. Simply the best cleaning tool for clubs & cleats. The bullseye brush was developed to provide the best possible and most funcitonal club and spike cleaning tool available.