Salt Definition: sometimes 'salt' simply refers to table salt, which is sodium chloride. Usually the term is applied to an ionic compound produced by reacting an acid with a base.By Anne Marie Helmenstine, Ph.D.alt Definition: sometimes 'salt' simply refers to table salt, which is sodium chloride. Usually the term is applied to an ionic compound produced by reacting an acid with a base. By Anne Marie Helmenstine, Ph.D.
First sew your pillow fabric and velcro to the nap mat cover. Then place nap mat right sides together, insert blanket (making sure itâs inside the mat). Stitch around sides and top, leave your velcro end unstitched and a gap to stuff your pillow. Turn right side out. Stitch a line where your pillow and mat fabric meet.
Cutting the Mats. 1  1. Mark the first mat where it is to be cut. Refer back to the dimensions of the frame backing board you measured earlier. 2  2. Cut the first (backing) mat. Take the razor, box cutter or mat cutter tool and line it up with the edge of the ruler. 3  3. Cut the second (window frame) mat.