This Square knot design feature picots, which are small loops at the sides of the knot. Picots are simply loops along the edges. Picot Designs are vintage Macrame techniques. They are often used to make the edges of craft items to look like as flower petals. This is a good project for children and beginners to learn one of the basic knots frequently used in Macrame. To this pattern you can add pearls and have an interesting look.