Use a match box and sharpen on the striker.
The straight razor.
If you are up too it, get a waterstone, (norton 4000/8000 combo) is pretty much the standard. A strop is used to keep a razor sharp. A waterstone is to sharpen a razor.
Strops are made of durable, flexible materials they are used to polish and sharpen the blade of a knife or a straight razor. They can also sharpen woodworking tools like chisels etc.
yes by giving precise force on the razor by the rock can make it sharp
the razor really doesn't matter it depends on how close you want to shave
A razor strop is used to sharpen single blade razors, otherwise known as cut throat razors. The blade is passed against the strop multiple times to sharpen the blade.
Usually instead of sharpening the blades on an electric razor you can just replace them.
A disposable safety razor.
King Camp Gillette founded the Gillette Safety Razor Company in 1901 and began selling his safety razors with disposable blades two years later.
It was toilet paper invented, i think, for a Chinese emperor. If toilet paper doesn't count as disposable then it was the disposable razor blade.
The Razor Gator disposable razor cleaner has three levels of cleaning; scrape, swipe and wipe. This product is designed to extend the life of your razor and save you money.
rubbing it against a sharpening stone i think called pyrite (spelling) or leather