Boomer Castleman

Boomer Castleman, is an American singer-songwriter and guitarist from Farmers Branch, Texas. He wrote and sang "Judy Mae" which hit the US charts in 1975 peaking at #33.

Castleman is also the inventor of the palm pedal, a device that allow guitar players to execute pedal steel-style string bends. He made his original prototype in 1968, and the device is now marketed under the name Bigsby Palm Pedal. The original patent has expired, allowing other vendors to market similar devices, but the Bigsby/Castleman version is the original.