I was pleased to find this new video from Tormek about convexing sharpening a knife with a T4 Bushcraft. Granted, it could be just as easily done with a T7/8 or a regular T4; however, I have felt the T4 Bushcraft has not received much press.
The video was very well done, both informationally and technically. Here is a link:
https://youtu.be/zqqEyRU2SxY?si=-MOVJymKkkPCObaJ
Ken