A Vise With Holes
![vice-with-holes vise with holes](https://www.innovation-creativity.com/wp-content/uploads/2020/05/vice-with-holes.jpg)
A vise with holes in the tops of the jaws would enable pins to be inserted. Thus would aid in opening rings or spreading U-shaped pieces of metal by cranking open the vise. – Robert Tomb, Indiana, Pa
April 1962
You can purchase a vise here on Amazon (affiliate link) however still no holes, it looks like this idea might not have been implemented yet!