Feed the biothane ball strap through your dog ball.Note: One end will have holes/slits, this is the end you will feed through the ball.
Feed the short end of the biothane ball strap through the longer end of the strap.Note: There will be two holes/slits on the longer end to accomodate 2" to 4" balls.
Feed the long end of the biothane strap back through the smaller end of the strap.
Tighten down the newly made knot.
Cut length as needed and tie a knot at the end of the strap.
Take outside and play with your dog!