just try to be pateint she probibly had an abusive past and she is nerviouse around humans.. She doesnt know you mean know harm. I personally dont own a horse but I know that getting a pet that has been abused can be hard to get them to be your friend.. Just be pateint ok .. shell eventully let you .. Try distracting her with a sugar cube or an jucy apple maybe shell be to busy eating to notes you cleaning her feet out.. Be careful around her back feet as well because you dont want a kick in the head.. good luck with you new horse..