Converting A Handy Hot Mini Washing Machine????

I bought this Vintage Handy Hot washing machine a few years ago. We had just moved into this house and had no way to get to laundry mat and no washing machine. But, I did have a clothesline. This worked great for a whole summer. I finally got a Wonderwash pressure washing machine. And have not used this for a couple of years. We have been cleaning out our shed - getting stuff ready for a yard sale in May. I was going to put this in the yard sale, but wanted to find out first if there was some way to convert this to a manual washing machine. One that uses no power. This is a lot bigger than a Wonderwash pressure washing machine. I just wonder how I could do it??? I am thinking that something else has to be made to go into the place on top of the agitator and then some how to move it. Not sure how though. Maybe a bicycle , like on The Colony. Maybe.

ANY IDEAS WILL BE GREATLY APPRECIATED!!!!

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