I know there are all kinds of genius ways of making these, BUT, does anyone know where to actually buy replacements like this?
And after my dogs>> 
Mine had gotten lose over the years and I would put it back in, finally it fell out and the dogs chewed it up. I have half of a cap now. I really would like a "REAL" one to put back in there. Does anyone know of a place to buy a handful of these?


Mine had gotten lose over the years and I would put it back in, finally it fell out and the dogs chewed it up. I have half of a cap now. I really would like a "REAL" one to put back in there. Does anyone know of a place to buy a handful of these?