1967 29 Oct. 25/4 His is an almost archetypal Delta blues..offset by the whining ‘bottleneck’ sound (made by a metal tube on the little finger of his left hand).
1978 Feb. 1490/1 Clapton produces some fittingly earthy bottleneck sounds.
2013 T. Pynchon xv. 163 A bright, twangly mandolin/bottleneck sound.