Bellami Volume Wefts hair extensions are ideal for coarse, curly or thicker hair. No tape, glue or heat needed for this volume-enhancing look. BELLAMI accredited stylists apply Volume Sew-in Wefts using a BELLAMI looping tool, BELLAMI beads, a BELLAMI micro-beaded threader, a spool of nylon-based thread and a curved sewing needle. Installed by choice method of beads or braids to create a secure base.