Every individual detail is important in high performance systems. The Dynamic loudspeaker generates dynamic forces that most people would find difficult to appreciate. So it is essential that the forces be interfaced intimately with the ground, in a robust and reliable way whilst at the same time providing adjustability. The Wilson Benesch spike has changed very little, but remains as effective today as it did when it was first designed around a 14mm thread. Trinity sees a larger knurled section in its design.