That is what I was taught and did for years. But, I was introduced to a block of metal, with a leather strip glued to the top. The leather was more like the leather on a baseball glove. It was loaded with a fine paste. This served as the strop, and was nice in that it was flat and rigid.
I'm feeling bearish, and I'm packing a Wusthof Grand Brisket slicer from MABA
"perhaps...but then again...maybe not..."