HIBT 3+3 THREE BOARDS IN ONE -  THUNDERBOLT TECHHIBT 3+3 THREE BOARDS IN ONE THUNDERBOLT TECH HIBT 3+3 Three Boards in One The HIBT 3+3 is the first full collaboration between Billy Tolhurst and Harley Ingleby a brand new design built from scratch. While previous Tolhurst x Thunderbolt models have evolved from Billys 50+ years of model refinement, this ones different. Billy and Harley teamed up from day one to create something completely new and was put through more R&D than any previous model.