Assertion: cleat's projection | /r/HasProperty | hollow
Facets:
Source sentences:
text: A shoe cleat comprising a flat oblong plate having a top face and a bottom face, means on the top face for attaching it to a shoe surface, and at least one cleat projection formed integral with and from the material of said plate and extending transversely from the strip away from the bottom face, two cleat projections formed in the plate, said plate being metal and said two projections being hollow and conical and formed by the metal of the plate.