A vesicle can be thought of like a tiny pouch that surrounds the molecule and ushers it through an opening in the cell membrane. Examples of Selectively Permeable Membranes Selectively permeable membranes can be found around a variety of cells and places.
Weft Knitting Manufacture. Weft knitting is a knitted piece of fabric where the stitches run from left to right horizontally across the fabric. It is usually knitted with one piece of yarn, and can be made either by hand or using a knitting machine.
Textured Weft is a fusible interfacing that allows you to interface fabric with loft (hand woven, mohair, brocades, corduroy, velvets, etc.) without crushing the nap. Flex Weave is a fusible interfacing that maintains the stretch of the fabric (fabrics with lycra, knits, slinkies, etc). Sheer Magic is a lightweight, sheer fusible that comes in several shades of skin tones for use in see-thru fabrics.