The LP cowbell inherits the specs developed over 40 years ago by LP founder Martin Coen. Superior quality steel with precision finished tools The mounting clamp uses a large wing nut, and the eye bolt can be secured to a 3/8" rod with just a finger. The LP Bongo Cowbell is a version of the traditional Bongocello, with a mounting clamp on the hand made cowbell. The LP Bongo Cowbell is made of heavy gauge steel with a deep, rich, slightly dry sound and an all-around cowbell.