Hey there little buddy! A Celtic button knot is a type of knot that looks like a fancy button on a piece of clothing. It's made by tying a bunch of twists and loops using a long piece of string or rope. It's called a "Celtic" knot because it was originally used in the art and design of the Celts, a group of people who lived a long time ago in Europe.
To make a Celtic button knot, you'll need a piece of string or rope that's long enough to make several loops and twists. First, you'll make a loop in the string and then twist it around itself to make a spiral shape. Then, you'll take the rest of the string and wrap it around the spiral several times to create a thick knot. You'll want to make sure that the string stays tight and doesn't unravel.
Next, you'll create another loop with the string and insert it into the knot you just made. Then, twist the loop around the knot and bring it back through the hole you made. You'll repeat this process several times, making loops and twists until you've created the button shape.
Once you're finished, you'll have a pretty button-like knot that you can use as decoration or even wear as a piece of jewelry. It may seem a little tricky at first, but with practice, you'll be able to make a beautiful Celtic button knot in no time!