There's lot of thought that goes into the design work of my 'hawks. Usually there's more than one reason behind why I decided to build them a certain way.
For instance, the flared stainless steel tube rivets are a very strong, solid construction method. But the fact that they're a tube means that you can run cord through them, using them as an anchor point for a lanyard, a handle wrap, or both.
(From a manufacturing standpoint, the countersunk holes in the handle slabs not only allow the tubes to flare and solidly lock them to the tang, but also allow me to mount the slabs on the jigs that I use to shape the slabs, using machine screws. Sometimes there is more than two reasons behind the design. :D )
A customer who has been using the heck out of his older 12" Wrecker from back when I was still using Durabake and Micarta instead of black oxide and TeroTuf posted this picture on FaceBook recently where he had taken advantage of the tube rivets in the aforementioned manner.
The knife is a forged kwaiken he got from me at Blade Show earlier this summer. Been using the heck out of it too.