Yes you can put some glue in the holes during assembly but it doesn't matter much. This is an exceptional hay holder. I've tried many others available (usually plastic or metal) and even made my own out of wood. It surpasses them all. Big enough that you don't have to refill it every day (like the smaller ones require); The bottom contains the hay they pull out (a design flaw of what I built). And wood is safe for rabbits. Correct size, contains clutter, great design.
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