Guitar Slide Comparison - Brass, Steel, Glass and Ceramic

Model numbers of slides used; all made by Jim Dunlop.
#232 - Brass
#220 - Chrome Plated Steel
#218 - Glass
#243 - Moonshine (Ceramic)
Can you hear any differences?
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Видео Guitar Slide Comparison - Brass, Steel, Glass and Ceramic канала Jack Pribek Music