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A 2" strop is fine. The most common old style strop was 2.5" but a 2" strop will work in the same manner.

If you start with a properly honed razor, then all you need for maintenance is a single...

That's a very nice looking razor. The Shaving Shop sells good stuff. For a strop and brush probably the best resource is Straight Razor Designs.

Some Japanese whetstones can be used for razor...