I came across this and thought nothing of it til I saw the back of the plate is there a slot or....edited its late ,my eyes are shot.
https://www.youtube.com/watch?v=YcxR...vxW8vGTMCioMtw
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I came across this and thought nothing of it til I saw the back of the plate is there a slot or....edited its late ,my eyes are shot.
https://www.youtube.com/watch?v=YcxR...vxW8vGTMCioMtw
Good one, but there's a slot.
Arrows show top and bottom of slot.
Attachment 13820
It's a slot, the vertical slide couldn't move if the slot wasn't there, the mechanism is close to that of some shapers