1) Abrasions 2) Mars 3) Sinks the cue ball 4) Windows game 1) Cancels 2) Rasps 
Synonym for grease heel ... Initially, lesions of horsepox occurring in the skin of the flexor surface of the fetlock of the horse, now frequently applied to any weeping, eczematous condition of that area. ... Synonym: scratches. ... Painful heel, a condition in which bearing weight on the heel causes pain of varying severity. ... Synonym: calcaneo...
mud scratches/greasy heel In my experience, Gentocin (Topical Spray) works just dandy without adding the Tribrissen. Though in a nasty case, I sometimes put the animal on oral TMP/SMZ for 5-7 days. 
1) A defect on a strip where small portions of tin coating have been removed. 2) Defect that manifests itself in many forms generally due to scoring of the strip surface by an outside source.
Loss on the surface, which may extend to the paint and ground layers caused by marking the surface with something sharp. Scratches Examples