Multiple mat openings...
It is often nice to display a selection of similar items in one frame, for example a collage of family photos or a series of artcards. By cutting multiple openings in the mat(s), you can easily achieve this type of design. Often, to unify the group of multiple openings, a v-groove will be cut around the outside perimeter of the mat openings. Art and memories come to 
at Haverstock Creative Designs