There are lots of ways to clamp on an auxiliary fence, but I wanted a more direct solution, so tried this.
1. Remove T-Glide fence plate
2. Mount T-nuts from the inside of fence plate
3. Bolt on any auxiliary fence
Feels solid and says vertical
Photos below and video he
https://youtu.be/D6Nx37Pu7Nc
https://www.homeownershub.com/img/19a6
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