My foot accidentally got stabbed by a sharp stick. Is there anything I can do to treat it?

I decided to walk outside my backyard and have a breather. I stupidly never put on my shoes and as I was walking my foot collected a sharp stick that went IN MY FOOT!. The cut is long and if I slightly move the top part of the cut it opens and it looks deep and its numb :(

Is there anything I can do to treat it. I'm unable to go to the doctors just yet.
My foot accidentally got stabbed by a sharp stick. Is there anything I can do to treat it?
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