That GW jig would work with wet-dry paper on plate glass.

The Work Sharp machine also used adhesive paper on plate glass disks. You can sharpen things like knives, gouges and other curved implements from the top, but straight edges chisels and plane blades go in from below via that angled surface - that can be adjusted and you can certainly do the secondary micro bevel if you wish, but I find it just wastes too much steel and time.

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BrentD, (Professor - just for Stan)
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