Your babies will have distinct feeding personalities. One is probably bigger than the other, and one may want to nurse more often than the other. As the babies become more adept at latching on it will be easier to nurse them at the same time, at least for some feedings. (Feeding on both breasts at the same time will really boost your prolactin levels.) At times, you may want to encourage the less-demanding baby, or the one who is not very hungry yet, to nurse at the same time as his sibling, especially at night so that you can get some rest. There will be other times when you want to give each baby individual attention at the breast.
Mothers of twins need lots of pillows for everyone to be comfortable. A special nursing pillow that fits around your lap is a big help when there are two babies and you have only two hands. A nursing stool, or something else under your feet, will help raise your lap to better contain the babies. Try these positions:
Mothers of twins soon figure out a favorite position and a favorite place for simultaneous feedings. This might be a big easy chair, or a big recliner with wide armrests, or it might be a corner of the couch, where an older sibling can sit by mom and read a story while the babies nurse.
While the typical cue-(or demand-) feeding approach could be too tiring for mothers of twins, the babies may not thrive on a rigid schedule. Somewhere in between is a feeding routine that will work for your family, one that meets the needs of the babies and lets the parents get enough rest. Bringing babies into bed with you may be the only way to get enough sleep.