Posted by Mike on September 23, 1997 at 00:33:04:
In Reply to: need help with stretchers posted by low hanga on September 22, 1997 at 18:04:45:
the sack should be tight, and the sensation should be of a firm steady tugging . Try one ball at a time, that way the sack will stretch further and acquyire some elasticity.
Another technique is to tug in steadily stronger pulls, rythmically.