It also represents the bond between two people and friendship. The joining of lives for eternity. Even though you might be a world apart, you will always be connected. The twist is also an eternity symbol and represents friendship. The bonding between people of different cultures.The basic difference between a single twist buncher, strander or cabler is that a single twist machine gives one 360 degree twist in the wire or cable for one 360 degree turn of the bows. A double twist machine gives two 360 degree twists in the wire or cable for every 360 degree turn of the bows.