The anatomy and function of the extensor. mechanism of the hand are more intricate and. complex than those of the flexor system. The. extensor apparatus is a linkage system created. by the radial nerve innervated extrinsic system. and the ulnar nerve and median nerve inner-.
Rolo chain is typically found in round symmetrical links, and may also be called belcher chain. Rolo chain is typically worn by itself, especially in bracelets and anklets, or as part of a wire jewelry design.Rolo chain llinks are typically made with half-round wire, meaning that the outside of the chain is rounded, but the inside is flat or even hollowed.n this picture, the left two chains are cable chains; the 3rd-from-left is a rolo chain; and the rightmost chain is a rounded cable chain. Next week, weâll talk about curb chain, also called gourmette chain.
Variations of the anchor chain are: flat anchor chain, where the outer chain links have flat surfaces and round anchor chain where the outer surface is slightly rounded. Ball Chain. Also known as bead chain and pelline chain. It is a chain that is composed of tiny metal spheres or small balls of metal which can be solid or hollow to reduce the weight. Each metal sphere is joined by small lengths of wire. This kind of chain is most commonly seen used in holding IDs or key chains.