Rory Gallagher - Rory's choice for a bottleneck or slide is an empty Coricidin bottle. "The thing is, they don't sell Coricidin in England so I have to pick up a few
DEMO: Snake Oil Medicine Bottle Slides by StubbySlide.com - YouTube
The real deal..Duane Allman's iconic strap, a Coricidin bottle slide and a 1961 RI Les Paul/SG : r/slideguitar
Duane Allman Slide Coricidin Glass | Reverb
Duane Allman playing slide guitar using his famous Coricidin bottle | Allman brothers band, Allman brothers, Duane