thimble
small metal or plastic cup-shaped object protruding top with a round or semi-circular opening interior lined with ridges for grip finger-sized hole at the bottom open base for stitching shiny surface
thimble which has small metal or plastic cup-shaped object thimble which has protruding top with a round or semi-circular opening thimble which has interior lined with ridges for grip thimble which has finger-sized hole at the bottom thimble which has open base for stitching thimble which has shiny surface