Begin by standing on a comfortable surface, where you have plenty of
room at each side.
With a 5-lb potato sack in each hand, extend your arms straight out
from your sides and hold them there as long as you can.
Try to reach a full minute, and then relax. Each day you'll find that
you can hold this position for just a bit longer.
After a couple of weeks, move up to 10-lb potato sacks. Then try 50-lb
potato sacks and then eventually try to get to where you can lift a
100-lb potato sack in each hand and hold your arms straight for more
than a full minute.
After you feel confident at that level, put a potato in each of the