To develop paper that looks mature and "leggy" (a term often used in crafting to describe paper with long, uneven, or spindly fibers at the edges), you should focus on techniques that physically break down the paper's structure and add visual age through staining.
Once you have the desired edges, use staining techniques to give the paper a mature, vintage appearance. How to Make Paper Look Old (4 Techniques) mature leggy
Open a pair of scissors and drag the sharp edge perpendicularly along the paper's edge. This frays the paper, creating a worn, uneven texture. Achieving a Mature, Aged Aesthetic To develop paper that looks mature and "leggy"