Knots and ropes can be very handy additions to your pharmacological restraint. These can be used on cattle (and supposedly cats) but are generally not appropriate for horses except for the quick release knot.
Casting cows is useful to make them lie down for recumbent procedures. There are two main methods:
Once cast, however, she may need lots of drugs or additional ropes to minimize the risk of human and cow injury.
The following knots are very useful: