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Keep the spine on the strop and don't apply pressure toward the edge, use the weight of the razor only and let speed come with time. Then you should be fine stropping. Lots of YouTube examples too....

There is a test for a rolled edge using a sewing needle or pin. You can feel the point catch letting the point gently move on the razor toward the edge. Hard to explain especially after a few...

Does it hurt like your pulling the hair or is your face burning like a razor burn?
If the first then, I suspect the edge (honing, stropping ...etc) if its the later too much pressure or bad angle....