Rug Collection Hand Made Rugs can be made of wool, cotton, silk, jute and other natural materials. Silk is sometimes used in wool rugs for the outlines or highlights of the pattern to enhance the design. Hand knotted and hand woven rugs can last many generations if they are of good quality and properly maintained.Also called Oriental rugs, hand knotted and hand woven rugs are often collectibles. The quality of these rugs depends on numerous factors, such as the knot count, dyes used and quality of the yarns. Hand knotted rugs are typically more costly, but the life span of these rugs is greater and therefore usually a better value for your money.Hand knotted rugs are made on a specially designed loom and are knotted by hand. The making of hand knotted rugs is a very ancient art that deserves a lot of admiration! The size of the loom depends on the size of the rug and the weaving is done from the bottom to the top. The rug weaver inserts the “knots” into the foundation of the rug and they are tied by hand, this makes up the “pile” of the rug. This is a very tedious and time consuming operation.The facts pertaining to the knot count of an Oriental rug are a little complicated. Just counting the knots per square inch (kpsi) alone normally does not give a true indication of the quality of an Oriental rug. One also needs to know the type, and the village or the tribe that the rug comes from. Therefore, purely counting knots without knowing the type and origin of the rug is not a good indication of its quality or value.Handmade rugs are where its at when it comes to quality and longevity. Beautiful handmade rugs have a sturdier structure because the fringe and all finished edges are part of the rug itself. Machine Made They can offer a lower price alternative to hand knotted rugs. Machine made rugs usually have a life span of about 20 years or less, depending on the quality and fiber used. For example a high quality machine made wool rug can last for decades if it is well maintained. Machine made rugs are generally not of any value to a collector. Although there are certain brands, such as Karastan rugs, that have a very loyal following. Karastan brand is made in the US, they have been making rugs for decades, and their rugs are of superior design and quality.One of the best ways to tell the difference between hand knotted and machine made rugs is to look at the back of the rug. In hand knotted rugs the weaving and the knots will be slightly uneven and not perfectly uniform. On the other hand, a machine made rug will look very uniform and perfectly even. The more detail in the design when looking from the back, the better the quality of the rug.Another way to determine if a rug is hand knotted or machine made is to look at the fringes. As you can see from the picture above, the fringe of a Machine made rug is sewn on and is attached as a finishing touch.hese rugs are usually made from synthetic materials, although some of the higher-end machine made rugs are from 100% wool pile. You can see the pattern on the back, but it is almost too perfect with no variations in knot size and have a similar texture to the back of a wall to wall carpet. Machine-made rugs usually have no fringes, and if they do, they are always sewn or glued to the edges of the rug and do not run through the rug.