Self squaring locking table saw fence - video

Self squaring locking table saw fence. By John Heisz. 11:44 video:

https://www.youtube.com/watch?v=oqkIwB5KJ54

Fine and good use of materials, though very sure the clamp foot pad should be divided into 2 separate contact points. A long shoe is subject to every bit of debris over its
length.